Leica Noctilux-M 50mm f/0.95 ASPH

This release has various improvements like:

1. working UI for demo with Ne04J local and remote servers
2. can respond to queries with list of MCP servers from database
3. shows knowledge graph -- though this needs to be updated
4. better start/stop of servers

What's Changed

• ignore temp files by @maximilien in #8
• move remaining test*.py to tests dir by @maximilien in #10
• doc: askg presentation by @maximilien in #11
• doc: add frontend and MCP into presentation by @maximilien in #12
• enhancement: various improvements by @maximilien in #13

Full Changelog: v0.2.0...v0.3.0