Allow non-root paths for index.html when returning server-rendered metadata page. Closes #227

controllers/index.go

@@ -30,7 +30,7 @@ type MetadataPage struct {
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	middleware.EnableCors(&w)
 
-	isIndexRequest := r.URL.Path == "/" || r.URL.Path == "/index.html"
+	isIndexRequest := r.URL.Path == "/" || filepath.Base(r.URL.Path) == "index.html" || filepath.Base(r.URL.Path) == ""
 
 	// For search engine bots and social scrapers return a special
 	// server-rendered page.