[Discovery] mcp-gitlab-jira - GitLab + Jira Integration

## Project Association

This issue tracks the `gitlab-jira` MCP server in the core profile.

### Server Details
- **Name**: gitlab-jirea
- **Source**: https://github.com/HainanZhao/mcp-gitlab-jira
- **Docker Hub**: `hainanzhao/mcp-gitlab-jira:latest`
- **Category**: workflow
- **Language**: Unknown

### Transport Status
- **Current**: Native HTTP support
- **Implementation**: Built-in HTTP transport
- **Docker Image**: `hainanzhao/mcp-gitlab-jira:latest`

### Tools Provided
- GitLab integration (to be documented)
- Jira/Atlassian integration (to be documented)

### Required Environment
- `GITLAB_URL`: GitLab instance URL
- `GITLAB_ACCESS_TOKEN`: GitLab PAT
- `ATLASSIAN_SITE_NAME`: Atlassian site name
- `ATLASSIAN_USER_EMAIL`: User email
- `ATLASSIAN_API_TOKEN`: Jira API token

### Docker Status
- Community image: `hainanzhao/mcp-gitlab-jira:latest`
- No custom build needed
- HADOLint: N/A (community image)

### Notes
- Bridges GitLab and Jira workflows
- Configuration in yaml file appears incomplete/placeholder
- Needs investigation of actual capabilities

### Tracking
- [ ] Document all tools comprehensively
- [ ] Test GitLab integration
- [ ] Test Jira integration
- [ ] Evaluate if worth keeping in core profile