feat: add custom eslint rules

adds rule to disallow optional chaining in both sides of a comparison operator

Author: TimoBechtel

bun.lockb

@@ -7,6 +7,7 @@ module.exports = defineConfig({
     'plugin:import/recommended',
     'prettier',
     'plugin:no-template-curly-in-string-fix/recommended',
+    'plugin:@timobechtel/rules/all',
     require.resolve('./rules/base.cjs'),
     require.resolve('./rules/import.cjs'),
     require.resolve('./rules/unicorn.cjs'),

eslint/core.cjs

@@ -24,6 +24,7 @@
   "dependencies": {
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
+    "@timobechtel/eslint-plugin-rules": "^1.0.0",
     "@typescript-eslint/eslint-plugin": "^8.19.1",
     "@typescript-eslint/parser": "^8.19.1",
     "eslint-config-prettier": "^9.1.0",