Add select for git servers when creating site

frontend/src/components/GitServerTypeIcon.tsx

@@ -0,0 +1,20 @@
+import { Code2 } from 'lucide-react';
+import type { GitServerType } from '../api/types/gitserver';
+import { GiteaIcon } from './icons/GiteaIcon';
+import { GitHubIcon } from './icons/GitHubIcon';
+import { GitLabIcon } from './icons/GitLabIcon';
+
+const GitServerTypeIcon = ({ type, size = 32 }: { type: GitServerType; size?: number }) => {
+    switch (type) {
+        case 'github':
+            return <GitHubIcon size={size} />;
+        case 'gitlab':
+            return <GitLabIcon size={size} />;
+        case 'gitea':
+            return <GiteaIcon size={size} />;
+        default:
+            return <Code2 />;
+    }
+};
+
+export default GitServerTypeIcon;