feat: initial implementation of VirtFusion MCP server

Complete MCP server wrapping all 84 VirtFusion Admin API endpoints:
- Core HTTP client with Bearer auth and error handling
- 17 tool modules organized by API category
- Endpoint drift detection scripts and Gitea Actions CI/CD
- Comprehensive README with configuration examples
- CLAUDE.md for AI assistant onboarding

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

LICENSE

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+MIT License
+
+Copyright (c) 2026 EZSCALE Hosting, LLC
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.