assignment3.0 ver3: done

src/App.js

src/Components/Loading.js

src/Components/Profile.js

src/Components/Repo.js

src/Components/Unfound.js

src/__mocks__/fileMock.js

src/__mocks__/styleMock.js

src/__tests__/App-test.js

src/__tests__/__snapshots__/App-test.js.snap

src/package.json