ability to omit front end files like .css .js .html and so on

internal/config/config.go

@@ -35,12 +35,20 @@ var DefaultExts = []string{
 	".pdf", ".doc", ".docx", ".xls", ".xlsx",
 	".pem", ".key", ".cert",
 	".db", ".sqlite", ".sqlite3",
-	".class", // Java compiled bytecode
-	".jar",   // JAR archives
+	".class",
+	".jar",
 	".war",
 	".ear",
 }
 
+var FrontendExts = []string{
+	".html", ".htm", ".gohtml", ".tmpl",
+	".css", ".scss", ".sass", ".less",
+	".js", ".jsx", ".mjs", ".cjs",
+	".ts", ".tsx",
+	".vue", ".svelte",
+}
+
 type stringSlice []string
 
 func (s *stringSlice) String() string {
@@ -66,6 +74,7 @@ type Config struct {
 	ProtonDrive    bool
 	DrivePath      string
 	VerticalSlices bool
+	SkipFrontend   bool
 }
 
 func PrintUsage() {
@@ -90,6 +99,7 @@ func Parse() (*Config, error) {
 		protonDrive    bool
 		drivePath      string
 		verticalSlices bool
+		skipFrontend   bool
 	)
 
 	flag.StringVar(&input, "i", "", "single file input (append mode only)")
@@ -104,6 +114,7 @@ func Parse() (*Config, error) {
 	flag.BoolVar(&protonDrive, "proton-drive", false, "upload output to Proton Drive after writing locally")
 	flag.StringVar(&drivePath, "drive-path", "", "full remote path on Proton Drive (requires --proton-drive)")
 	flag.BoolVar(&verticalSlices, "vertical-slices", false, "split output into root file + one markdown per top-level directory")
+	flag.BoolVar(&skipFrontend, "skip-frontend", false, "omit frontend file types (.html, .css, .js, .ts, .vue, .svelte, etc.)")
 
 	flag.Usage = PrintUsage
 	flag.Parse()
@@ -129,6 +140,11 @@ func Parse() (*Config, error) {
 		return nil, fmt.Errorf("--vertical-slices cannot be used with --input-file")
 	}
 
+	excludedExts := append(DefaultExts, exts...)
+	if skipFrontend {
+		excludedExts = append(excludedExts, FrontendExts...)
+	}
+
 	cfg := &Config{
 		OutputPath:     output,
 		AppendMode:     appendMd,
@@ -136,10 +152,11 @@ func Parse() (*Config, error) {
 		MaxSize:        maxSize,
 		MaxDepth:       maxDepth,
 		Ignores:        append(DefaultIgnores, ignores...),
-		Extensions:     append(DefaultExts, exts...),
+		Extensions:     excludedExts,
 		ProtonDrive:    protonDrive,
 		DrivePath:      drivePath,
 		VerticalSlices: verticalSlices,
+		SkipFrontend:   skipFrontend,
 	}
 
 	if input != "" {