FEAT: directory stylesheet overrides

main.go

@@ -29,6 +29,7 @@ type (
 		Root bool
 		Files []*File
 		Readme template.HTML
+		CSS template.CSS
 	}
 
 	File struct {
@@ -181,6 +182,15 @@ func main() {
 			return
 		}
 
+		// load index.css if present
+		var customCSS template.CSS
+		cssPath := filepath.Join(fpath, "index.css")
+		if cssInfo, err := os.Stat(cssPath); err == nil && !cssInfo.IsDir() {
+			if src, err := os.ReadFile(cssPath); err == nil {
+				customCSS = template.CSS(src)
+			}
+		}
+
 		// embeded readme
 		var readmeHTML template.HTML
 		entries, err := os.ReadDir(fpath)
@@ -205,6 +215,7 @@ func main() {
 			Name: r.URL.Path,
 			Files: []*File{},
 			Readme: readmeHTML,
+			CSS: customCSS,
 		}
 
 		fsDir := os.DirFS(fpath)