v0.5.0

Changelog

• 71e0fc7: Add Docusaurus documentation site in the Zenon design system (@0x3639)
• 0ced1c7: Add nomctl upgrade, update checks in status/top, opt-in update_available alert (@0x3639)
• 21a147f: Add update package: release check, verified fetch, atomic replace, cache (@0x3639)
• aaed96c: Address review: bound update checks, top flag, exclusive upgrade flags (@0x3639)
• 65b5760: Address review: reject --check with --version, avoid archive copy, fence lang (@0x3639)
• d0a53a5: Docs review: scoped Pages permissions, self-hosted fonts, accuracy fixes (@0x3639)
• 288af7c: Docs: complete pinned-installer example (@0x3639)
• c4decab: Docs: local search, Open Graph card, robots.txt, llms.txt, page descriptions (@0x3639)
• 3e89de2: Document upgrading and update checks (@0x3639)
• 1957452: Grafana client follows the bind address; restart a running node when its unit changes (@0x3639)
• dab2e41: Harden the node unit and Grafana defaults (@0x3639)
• 9399075: Merge pull request #4 from 0x3639/docs-site (@0x3639)
• 4c49a3a: Merge pull request #5 from 0x3639/docs-search (@0x3639)
• f9d4e8e: Merge pull request #6 from 0x3639/hardening (@0x3639)
• 701f73b: Merge pull request #7 from 0x3639/self-update (@0x3639)
• 2697ef7: llms-txt plugin: resolve relative slugs safely, add tests (@0x3639)