feat(git-hangman-lab): add create-repo command

- Add create-repo script for creating new repositories on git.hangman-lab.top
- Integrate create-repo into git-ctrl dispatcher
- Update SKILL.md with new command documentation

git-hangman-lab/SKILL.md

@@ -33,6 +33,16 @@ Generate an access token for the current user.
 {baseDir}/scripts/git-ctrl generate-access-token
 ```
 
+### Create Repository
+
+Create a new git repository on git.hangman-lab.top.
+
+```bash
+{baseDir}/scripts/git-ctrl create-repo <repo-name>
+```
+
+> **Note**: The repository will be created at `${AGENT_WORKSPACE}/${repo-name}` (default: `/root/.openclaw/workspace/workspace-mentor`)
+
 ### Link Keycloak Account
 
 Link Keycloak account with Gitea (for OAuth binding).