server: add /v1/me to get current user information

sub, email and email_verified

server/reflector/views/user.py

@@ -0,0 +1,20 @@
+from typing import Annotated, Optional
+
+import reflector.auth as auth
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel
+
+router = APIRouter()
+
+
+class UserInfo(BaseModel):
+    sub: str
+    email: Optional[str]
+    email_verified: Optional[bool]
+
+
+@router.get("/me")
+async def user_me(
+    user: Annotated[Optional[auth.UserInfo], Depends(auth.current_user_optional)],
+) -> UserInfo | None:
+    return user