chore: add CI, pre-commit, and luarocks configs

- Add CI workflows (format, lint, typecheck)
- Add quality workflow
- Add luarocks publishing workflow
- Add pre-commit configuration
- Add luarocks rockspec
- Add selene.toml for linting
- Remove issue template

.github/workflows/luarocks.yaml

@@ -0,0 +1,21 @@
+name: luarocks
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  ci:
+    uses: ./.github/workflows/ci.yaml
+
+  publish:
+    needs: ci
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: nvim-neorocks/luarocks-tag-release@v7
+        env:
+          LUAROCKS_API_KEY: ${{ secrets.LUAROCKS_API_KEY }}