chore: add project configs

- Add CI workflows (format, lint, typecheck)
- Add quality workflow
- Add luarocks publishing workflow
- Add pre-commit configuration
- Add issue templates (bug report, feature request)
- Add .editorconfig, .gitignore, .luarc.json
- Add selene.toml and vim.toml for linting
- Add luarocks rockspec
- Rename .stylua.toml to stylua.toml

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+insert_final_newline = true
+charset = utf-8
+
+[*.lua]
+indent_style = space
+indent_size = 2