feat: add support for 30+ languages and update README

- Add support for Rust, C#, PHP, Swift, Kotlin, SQL
- Add support for HTML, XML, CSS, SCSS markup languages
- Add support for JSX/TSX, Dart, Scala
- Add support for shell variants, config files, and more
- Add AlternateLineComment support for INI files
- Update README with comprehensive language tables
- Bump version to 0.2.1

internal/processor/git_processor.go

@@ -204,18 +204,27 @@ func (p *Processor) removeCommentsFromLine(line string, language types.Language,
 	result := line
 	hasChanges := false
 
-	if !p.cli.Block && language.LineComment != "" {
-
-		if idx := p.findCommentIndex(result, language.LineComment); idx != -1 {
-
-			comment := strings.TrimSpace(result[idx:])
-
-			if cfg.ShouldPreserveComment(comment) {
-				return originalLine
+	if !p.cli.Block {
+		if language.LineComment != "" {
+			if idx := p.findCommentIndex(result, language.LineComment); idx != -1 {
+				comment := strings.TrimSpace(result[idx:])
+				if cfg.ShouldPreserveComment(comment) {
+					return originalLine
+				}
+				result = result[:idx]
+				hasChanges = true
 			}
+		}
 
-			result = result[:idx]
-			hasChanges = true
+		if language.AlternateLineComment != "" && !hasChanges {
+			if idx := p.findCommentIndex(result, language.AlternateLineComment); idx != -1 {
+				comment := strings.TrimSpace(result[idx:])
+				if cfg.ShouldPreserveComment(comment) {
+					return originalLine
+				}
+				result = result[:idx]
+				hasChanges = true
+			}
 		}
 	}
 
@@ -402,11 +411,14 @@ func (p *Processor) findCommentIndex(line, commentMarker string) int {
 
 // lineHasComment checks if a line contains comments
 func (p *Processor) lineHasComment(line string, language types.Language) bool {
-
 	if language.LineComment != "" && p.findCommentIndex(line, language.LineComment) != -1 {
 		return true
 	}
 
+	if language.AlternateLineComment != "" && p.findCommentIndex(line, language.AlternateLineComment) != -1 {
+		return true
+	}
+
 	if language.BlockComment != nil {
 		if p.findCommentIndex(line, language.BlockComment.Start) != -1 || p.findCommentIndex(line, language.BlockComment.End) != -1 {
 			return true

internal/processor/languages.go

@@ -12,16 +12,56 @@ var languageMap = map[string]types.Language{
 	"lua":  {LineComment: "--"},
 	"py":   {LineComment: "#"},
 	"sh":   {LineComment: "#"},
-	"js":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
-	"ts":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
-	"go":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
-	"c":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
-	"cpp":  {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
-	"java": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"bash": {LineComment: "#"},
+	"zsh":  {LineComment: "#"},
+	"fish": {LineComment: "#"},
+	"ps1":  {LineComment: "#"},
+	"r":    {LineComment: "#"},
+
+	"js":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"ts":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"jsx":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"tsx":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"go":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"c":     {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"cpp":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"cc":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"cxx":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"h":     {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"hpp":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"java":  {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"cs":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"rs":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"swift": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"kt":    {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"kts":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"dart":  {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"scala": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"php":   {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+
+	"css":  {BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"scss": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"sass": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+	"less": {LineComment: "//", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+
+	"html": {BlockComment: &types.BlockComment{Start: "<!--", End: "-->"}},
+	"htm":  {BlockComment: &types.BlockComment{Start: "<!--", End: "-->"}},
+	"xml":  {BlockComment: &types.BlockComment{Start: "<!--", End: "-->"}},
+	"svg":  {BlockComment: &types.BlockComment{Start: "<!--", End: "-->"}},
+
 	"rb":   {LineComment: "#"},
 	"pl":   {LineComment: "#"},
 	"yml":  {LineComment: "#"},
 	"yaml": {LineComment: "#"},
+	"toml": {LineComment: "#"},
+	"ini":  {LineComment: "#", AlternateLineComment: ";"},
+	"conf": {LineComment: "#"},
+	"cfg":  {LineComment: "#"},
+
+	"sql": {LineComment: "--", BlockComment: &types.BlockComment{Start: "/*", End: "*/"}},
+
+	"dockerfile": {LineComment: "#"},
+	"makefile":   {LineComment: "#"},
 }
 
 func DetectLanguage(filename string) (types.Language, error) {
@@ -47,16 +87,56 @@ func GetLanguageName(filename string) string {
 		"lua":  "Lua",
 		"py":   "Python",
 		"sh":   "Shell",
-		"js":   "JavaScript",
-		"ts":   "TypeScript",
-		"go":   "Go",
-		"c":    "C",
-		"cpp":  "C++",
-		"java": "Java",
+		"bash": "Bash",
+		"zsh":  "Zsh",
+		"fish": "Fish",
+		"ps1":  "PowerShell",
+		"r":    "R",
+
+		"js":    "JavaScript",
+		"ts":    "TypeScript",
+		"jsx":   "JSX",
+		"tsx":   "TSX",
+		"go":    "Go",
+		"c":     "C",
+		"cpp":   "C++",
+		"cc":    "C++",
+		"cxx":   "C++",
+		"h":     "C Header",
+		"hpp":   "C++ Header",
+		"java":  "Java",
+		"cs":    "C#",
+		"rs":    "Rust",
+		"swift": "Swift",
+		"kt":    "Kotlin",
+		"kts":   "Kotlin Script",
+		"dart":  "Dart",
+		"scala": "Scala",
+		"php":   "PHP",
+
+		"css":  "CSS",
+		"scss": "SCSS",
+		"sass": "Sass",
+		"less": "Less",
+
+		"html": "HTML",
+		"htm":  "HTML",
+		"xml":  "XML",
+		"svg":  "SVG",
+
 		"rb":   "Ruby",
 		"pl":   "Perl",
 		"yml":  "YAML",
 		"yaml": "YAML",
+		"toml": "TOML",
+		"ini":  "INI",
+		"conf": "Config",
+		"cfg":  "Config",
+
+		"sql": "SQL",
+
+		"dockerfile": "Dockerfile",
+		"makefile":   "Makefile",
 	}
 
 	if name, ok := names[ext]; ok {

internal/types/types.go

@@ -26,8 +26,9 @@ type CLI struct {
 }
 
 type Language struct {
-	LineComment  string
-	BlockComment *BlockComment
+	LineComment          string
+	AlternateLineComment string
+	BlockComment         *BlockComment
 }
 
 type BlockComment struct {