fix(rpc): remove trailing slash redirection

Signed-off-by: Kevin Morris <kevr@0cost.org>

aurweb/routers/rpc.py

@@ -65,6 +65,7 @@ def parse_args(request: Request):
 JSONP_EXPR = re.compile(r'^[a-zA-Z0-9()_.]{1,128}$')
 
 
+@router.get("/rpc/")
 @router.get("/rpc")
 async def rpc(request: Request,
               v: Optional[int] = Query(default=None),