Add Codecov for test coverage reporting

.github/workflows/build-and-test.yml

@@ -45,6 +45,12 @@ jobs:
           su `id -un 1000` -c "source $NVM_DIR/nvm.sh && nvm use && node -v && yarn -v &&
                                cd ./plugins/dashboards-flow-framework &&
                                whoami && yarn osd bootstrap && yarn build && yarn run test:jest --coverage"
+      - name: Uploads coverage
+        uses: codecov/codecov-action@v3
+        with:
+          verbose: true 
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   # TODO: once github actions supports windows and macos docker containers, we can
   # merge these in to the above step's matrix, including adding windows support
@@ -96,4 +102,3 @@ jobs:
         run: |
           cd OpenSearch-Dashboards/plugins/dashboards-flow-framework
           yarn run test:jest --coverage
-

codecov.yml

@@ -1,17 +1,15 @@
-# disable tracking status entirely until UT is added.
-# tracking issue: https://github.com/opensearch-project/dashboards-flow-framework/issues/95 
 coverage:
   # displays different colors depending on below, between, or above the range
   range: 50..90
   status:
     project:
-      enabled: no
+      enabled: yes
       default: 
         target: auto
         # allows 5% coverage reduction without failing
         threshold: 5%
-    patch: no
-    changes: no
+    patch: yes
+    changes: yes
 
 # disable comments in PRs
-comment: no
+comment: yes