Add .gitattributes: LF in the repository, CRLF for batch files

Normalize the files that had been committed with CRLF (line endings only,
no content changes).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/app/main.py

@@ -1,41 +1,41 @@
-import logging
-from contextlib import asynccontextmanager
-
-from fastapi import FastAPI, HTTPException
-from fastapi.responses import FileResponse
-
-from app.blobs import BLOB_ID_RE, blob_path
-from app.bootstrap import bootstrap
-from app.config import get_settings
-from app.db import SessionLocal
-from app.routers import auth, games, roles, users, versions
-
-logging.basicConfig(level=logging.INFO)
-
-
-@asynccontextmanager
-async def lifespan(_: FastAPI):
-    if get_settings().secret_key == "change-me":
-        logging.getLogger(__name__).warning("SECRET_KEY is the default value — set it in .env")
-    async with SessionLocal() as db:
-        await bootstrap(db)
-    yield
-
-
-app = FastAPI(title="pgames-manager", lifespan=lifespan, docs_url="/api/docs",
-              openapi_url="/api/openapi.json")
-for r in (auth, users, roles, games, versions):
-    app.include_router(r.router)
-
-
-@app.get("/api/health")
-async def health() -> dict[str, str]:
-    return {"status": "ok"}
-
-
-@app.get("/blobs/{blob_id}")
-async def blob(blob_id: str) -> FileResponse:
-    """Fallback for running without nginx; in compose nginx serves /blobs itself."""
-    if not BLOB_ID_RE.match(blob_id) or not (path := blob_path(blob_id)).is_file():
-        raise HTTPException(404)
-    return FileResponse(path, headers={"Cache-Control": "public, max-age=31536000, immutable"})
+import logging
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI, HTTPException
+from fastapi.responses import FileResponse
+
+from app.blobs import BLOB_ID_RE, blob_path
+from app.bootstrap import bootstrap
+from app.config import get_settings
+from app.db import SessionLocal
+from app.routers import auth, games, roles, users, versions
+
+logging.basicConfig(level=logging.INFO)
+
+
+@asynccontextmanager
+async def lifespan(_: FastAPI):
+    if get_settings().secret_key == "change-me":
+        logging.getLogger(__name__).warning("SECRET_KEY is the default value — set it in .env")
+    async with SessionLocal() as db:
+        await bootstrap(db)
+    yield
+
+
+app = FastAPI(title="pgames-manager", lifespan=lifespan, docs_url="/api/docs",
+              openapi_url="/api/openapi.json")
+for r in (auth, users, roles, games, versions):
+    app.include_router(r.router)
+
+
+@app.get("/api/health")
+async def health() -> dict[str, str]:
+    return {"status": "ok"}
+
+
+@app.get("/blobs/{blob_id}")
+async def blob(blob_id: str) -> FileResponse:
+    """Fallback for running without nginx; in compose nginx serves /blobs itself."""
+    if not BLOB_ID_RE.match(blob_id) or not (path := blob_path(blob_id)).is_file():
+        raise HTTPException(404)
+    return FileResponse(path, headers={"Cache-Control": "public, max-age=31536000, immutable"})