feat(jest.config.js): Add coverageReporters

Author: refirst11

jest.config.js

@@ -4,5 +4,6 @@ module.exports = {
   },
   testEnvironment: 'jsdom',
   roots: ['<rootDir>/test'],
+  coverageReporters: ['text', 'html'],
   reporters: [['github-actions', { silent: false }], 'summary'],
 };