添加git推送窗口，显示待提交列表和查看文件差异

src/app/push/layout.tsx

@@ -0,0 +1,8 @@
+"use client"
+
+import type { ReactNode } from "react"
+import { GitCredentialProvider } from "@/contexts/git-credential-context"
+
+export default function PushLayout({ children }: { children: ReactNode }) {
+  return <GitCredentialProvider>{children}</GitCredentialProvider>
+}