Basic CI pipeline with unit tests setup

[186shades]

This PR contains following changes:

1. cicd yml file with 2 separate ci jobs for client and server.
2. Client job checks out the package, sets up node env, runs jest unit tests and creates production build on all branch push and merge requests
3. Server job checks out the package, sets up node env and runs jest unit tests (build not required) on all branch push and merge requests
4. Added sample jest tests for client and server for testing the ci jobs along with jest config
5. Configured next with jest using babel
6. Fixed key prop eslint issue from the main branch
7. Moved util file (logout-actions) out of pages folder
8. Fixed pre-render issue of chart with next

[rohithaug]

The CI pipeline setup looks good to me