feat: added modules

vcs/test/credentials.example.json

@@ -0,0 +1,10 @@
+{
+  "username": "changeit",
+  "password": "changeit",
+  "test_repo_http_url": "https://gitee.com/tikazyq/test-repo",
+  "ssh_username": "git",
+  "ssh_password": "",
+  "test_repo_ssh_url": "git@gitee.com:tikazyq/test-repo.git",
+  "private_key": "changeit",
+  "private_key_path": "/root/.ssh/id_rsa"
+}