format the server code

[nr-b]

Description

Add a github workflow to check whether a PR's code in the server is properly formatted. Also, format the server's code.

In addition, remove test/**/*.ts to make yarn format work properly.

Type of change

cleanup; no functional change intended

How Has This Been Tested?

created a unformatted PR in my fork which was correctly detected

Test Configuration:

• Operator Version: n/a
• Kubernetes Version: n/a
• Kubero CLI Version (if applicable): n/a

Checklist:

• I removed unnecessary debug logs
• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I documented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings