message: Add test coverage collection script
  This makes it clear to how collect basic test coverage when desired.
diff: "lint:types": "tsc --noEmit --jsx react",
  "lint:style": "stylelint 'res/css/**/*.scss'",
  "test": "jest",
  - "test:e2e": "./test/end-to-end-tests/run.sh --app-url http://localhost:8080"
  + "test:e2e": "./test/end-to-end-tests/run.sh --app-url http://localhost:8080",
  + "coverage": "yarn test --coverage"
  },
  "dependencies": {
  "@babel/runtime": "^7.12.5",
  },
  "transformIgnorePatterns": [
  "/node_modules/(?!matrix-js-sdk).+$"
  + ],
  + "collectCoverageFrom": [
  + "<rootDir>/src/**/*.{js,ts,tsx}"
  + ],
  + "coverageReporters": [
  + "text"
  ]
  }
  }
  