chore(monorepo): add eslint-plugin-prettier

Author: sendilkumarn

.appveyor.yml

@@ -17,6 +17,7 @@ install:
   - npm install --global codecov
   - npm install eslint-plugin-node@latest --save-dev
   - npm install eslint-config-prettier@latest --save-dev
+  - npm install eslint-plugin-prettier@latest --save-dev
 
 test_script:
   - node --version