Add coveralls

Author: devpow112

.github/workflows/build.yml

@@ -25,6 +25,10 @@ jobs:
         run: npm i
       - name: Run tests
         run: npm test
+      - name: Report coverage
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run build
         run: npm run build
       - name: Publish package

README.md

@@ -1,9 +1,10 @@
 # Serverless Function Value Plugin
 
 [![License][License Badge]](LICENSE)
-[![Version][Version Badge]](package.json#L32)
-![Node Version][Node Version Badge]
+[![Version][Version Badge]](package.json#L3)
+[![Node Version][Node Version Badge]](package.json#L35)
 [![Build][CI Badge]][CI Workflow]
+[![Coverage][Coverage Badge]][Coverage Report]
 
 Serverless framework plugin that will automatically generate CloudFormation
 snippets to reference a functions name or ARN value based on the generated
@@ -111,3 +112,5 @@ This will format based on [.eslintrc](.eslintrc) settings.
 [Node Version Badge]: https://img.shields.io/node/v/serverless-plugin-function-value
 [CI Badge]: https://github.com/devpow112/serverless-plugin-function-value/workflows/build/badge.svg?branch=master
 [CI Workflow]: https://github.com/devpow112/serverless-plugin-function-value/actions?query=workflow%3Abuild+branch%3Amaster
+[Coverage Badge]: https://coveralls.io/repos/github/devpow112/serverless-plugin-function-value/badge.svg?branch=master
+[Coverage Report]: https://coveralls.io/github/devpow112/serverless-plugin-function-value?branch=master