fix: hide no versions found warnings for flakes

feat: add Neovim plugin support

chore: bump version to 0.16.0

ci: use sudo for luarocks install

ci: install lua via apt on ubuntu runners

fix: support git flake references in version field

fix: fix issue with version listing when using direct git flake refs

ci: fix mise install

feature: Support unfree and insecure packages

fix: Now uses nixhub sorting directly.

docs: Explicitly say config variables are optional

feat: Support non semantic versions like Java 8u242-b08

feat: Add jetbrains plugin support

chore(release): publish 0.12.0

fix: Fix vsix install in containers