✨ Adds codecov (#85)

Author: alyezz

.circleci/config.yml

@@ -9,7 +9,8 @@ jobs:
       - run: bundle exec danger
       - run: flutter doctor
       - run: pub get
-      - run: flutter test
+      - run: flutter test --coverage
+      - run: bash <(curl -s https://codecov.io/bash)
       - run: dartanalyzer --options analysis_options.yaml --fatal-warnings lib
    android_test:
     working_directory: ~/project/example/android