feat(challenge26): forbidden enum rule

tools/eslint-rules/jest.config.ts

@@ -0,0 +1,13 @@
+/* eslint-disable */
+export default {
+  displayName: 'eslint-rules',
+  preset: '../../jest.preset.js',
+  transform: {
+    '^.+\\.[tj]s$': ['ts-jest', { tsconfig: '<rootDir>/tsconfig.spec.json' }],
+  },
+  moduleFileExtensions: ['ts', 'js', 'html'],
+  coverageDirectory: '../../coverage/tools/eslint-rules',
+  moduleNameMapper: {
+    '@eslint/eslintrc': '@eslint/eslintrc/dist/eslintrc-universal.cjs',
+  },
+};