docs: add kubernetes guide

[ajasnosz]

Description

Adding documentation about helpful kubernetes commands to troubleshoot issues with sc4snmp.

Type of change

Please delete options that are not relevant.

• [x] Documentation update

Checklist

• [x] My commit message is conventional
• [x] I have made corresponding changes to the documentation
• [x] I have checked my code and corrected any misspellings

[srv-rr-github-token]

:tada: This PR is included in version 1.11.1-beta.2 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: