feat: Move the path modifications around

cmd/rio/main.go

@@ -38,6 +38,14 @@ func handleSubdomain(domain, cname, path, giteaUrl, defaultCsp string, giteaClie
 		path = path[1:]
 	}
 
+	// Provide a default file.
+	switch {
+	case path == "":
+		path = "/index.html"
+	case path[len(path)-1] == '/':
+		path = path + "index.html"
+	}
+
 	repo, path, err := repo.RepoFromPath(
 		username,
 		domain,