added base code

serve.py

@@ -0,0 +1,36 @@
+import http.server
+import socketserver
+import os
+from urllib.parse import unquote
+
+PORT = 8001
+BASE_DIR = os.path.abspath("public")
+
+class CustomHandler(http.server.SimpleHTTPRequestHandler):
+    def translate_path(self, path):
+        path = unquote(path)
+
+        # /project/<id> should always serve overleaf.html
+        if path.startswith("/project/"): #and ("/" not in path[len("/project/"):]):
+            print(f"Serving Overleaf for project: {path}")
+            return os.path.join(BASE_DIR, "overleaf.html")
+
+        # /project/<id>/file -> serve from projects/<id>/file
+        if path.startswith("/project/"):
+            sub_path = path[len("/project/"):]
+            return os.path.join(BASE_DIR, "projects", sub_path)
+
+        # Default: serve from public/
+        if path in ["/", ""]:
+            path = "/index.html"
+
+        return os.path.join(BASE_DIR, path.lstrip("/"))
+
+    def end_headers(self):
+        self.send_header("Access-Control-Allow-Origin", "*")
+        super().end_headers()
+
+if __name__ == "__main__":
+    with socketserver.TCPServer(("", PORT), CustomHandler) as httpd:
+        print(f"Serving at http://localhost:{PORT}")
+        httpd.serve_forever()