Merge pull request #29 from tardigrde/add-dockerfile

docs: add Docker installation instructions

feat: add Dockerfile for containerized deployment

Merge pull request #28 from Symbolk/patch-1

Allow access for Tailscale IPs in HTTPS enforcement

docs: v3.0.0 release notes

docs: add new features, endpoints, shortcuts to README

docs: add optional dependencies table to README

docs: update dependency claim, list optional deps

fix: update install.sh for password auth, add dependency checks

fix: limit memory files to 5 with show more, crash labels, remove disk trend text

feat: add temp and disk sparkline graphs to system gauges

feat: notification center with audit log events and badge counter

feat: docker management page with container controls and image listing

feat: config editor with re-auth, JSON validation and auto-backup