Add CORS middleware for OSM proxy

Author: cyrossignol

api/main.py

@@ -6,6 +6,7 @@
 from contextlib import asynccontextmanager
 
 from fastapi import Depends, FastAPI, HTTPException, Request, status
+from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import RedirectResponse, StreamingResponse
 from sqlmodel.ext.asyncio.session import AsyncSession
 from starlette.background import BackgroundTask
@@ -65,6 +66,15 @@ async def lifespan(_app: FastAPI):
     lifespan=lifespan,
 )
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origin_regex=r".*",
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+    max_age=100,
+)
+
 # Include routers
 app.include_router(teams_router, prefix="/api/v1")
 app.include_router(workspaces_router, prefix="/api/v1")