feat(api): add CORSMiddleware to api routing

gallery/easel/__init__.py

@@ -16,6 +16,7 @@ def build_app(api_bundle: ApiBundle) -> FastAPI:
     app.state.api = api_bundle
     app.mount("/static", StaticFiles(directory=root_path / "static/dist"))
     doc.mount(app)
-    app.include_router(api.router)
+    api.app.state.api = api_bundle
+    app.mount("/api", api.app)
     app.include_router(view.router)
     return app

gallery/easel/route/api/__init__.py

@@ -1,7 +1,15 @@
-from fastapi import APIRouter
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 
 from . import schedule, weather
 
-router = APIRouter(prefix="/api")
-router.include_router(weather.router)
-router.include_router(schedule.router)
+app = FastAPI(openapi_prefix="/api")
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+app.include_router(weather.router)
+app.include_router(schedule.router)