feat: add Windows-MCP UI automation + full offline deps

- New start-windows-mcp.bat — starts Windows-MCP SSE server on :8000
- Windows-MCP auto-starts when Hermes CLI launches (options 1/2)
- Pre-downloaded wheels: hermes-agent (47), windows-mcp (95)
- Offline Python 3.13 embedded + get-pip.py bootstrapper
- Hermes config wired with mcp_servers.windows-mcp
- Updated Makefile with targets: wheels-hermes, wheels-windows-mcp,
  python-portable, get-pip, deps
- Recreated: run-hermes.ps1, start-hermes-dashboard.bat
- Pure ASCII .bat files with CRLF line endings

.gitignore

@@ -3,6 +3,7 @@ build/output/hermes-rescue.iso
 build/output/casper-rw
 build/output/hermes-data.ext4
 build/output/fix-line-endings.ps1
+build/output/python/              # Portable Python (download at build time)
 build/iso-staging/
 build/xubuntu-24.04*.iso
 build/SHA256SUMS