refactor(app): restructure project to avoid circular imports

app/startup/routers.py

@@ -0,0 +1,18 @@
+from fastapi import FastAPI
+
+from app.core.config import settings
+
+
+def init_routers(app: FastAPI):
+    """
+    初始化路由
+    """
+    from app.api.apiv1 import api_router
+    from app.api.servarr import arr_router
+    from app.api.servcookie import cookie_router
+    # API路由
+    app.include_router(api_router, prefix=settings.API_V1_STR)
+    # Radarr、Sonarr路由
+    app.include_router(arr_router, prefix="/api/v3")
+    # CookieCloud路由
+    app.include_router(cookie_router, prefix="/cookiecloud")