Merge pull request 'feat: add automatic serving of index.html in directory' (#5) from supitszaire/indir:main into main

Reviewed-on: https://codeberg.org/arimelody/indir/pulls/5
Reviewed-by: ari melody <ari@arimelody.space>

.gitignore

@@ -2,3 +2,5 @@
 tmp
 indir
 indir-*
+.zed
+index.html

main.go

@@ -172,6 +172,13 @@ func main() {
 			return
 		}
 
+		// serve index.html if present (case-sensitive)
+		indexPath := filepath.Join(fpath, "index.html")
+		if _, err := os.Stat(indexPath); err == nil {
+		    http.ServeFile(w, r, indexPath)
+			return
+		}
+
 		// embeded readme
 		var readmeHTML template.HTML
 		entries, err := os.ReadDir(fpath)