[WIP] Create helm chart

[elbandi]

Here is a helm chart for rustdesk-server.

Any suggest are welcome!

[stappersg]

Any suggest are welcome!

Suggestions:

• squash the commits
• write a commit message
• git push
• Remove the WIP marker
• Do things that you deem good (while waiting on feedback)
• Do more good things (while waiting on feedback)
• Take time for doing good things (meanwhile wait for feedback)
• Review your on merge request
• Update the commit message
• git push
• Add a comment