Watch mongodb community resource by default (#73)

# Summary

Watching `mongodbcommunity` resource by default.

## Proof of Work

Green CI.

## Checklist
- [ ] Have you linked a jira ticket and/or is the ticket in the title?
- [ ] Have you checked whether your jira ticket required DOCSP changes?
- [ ] Have you checked for release_note changes?

## Reminder (Please remove this when merging)
- Please try to Approve or Reject Changes the PR, keep PRs in review as
short as possible
- Our Short Guide for PRs:
[Link](https://docs.google.com/document/d/1T93KUtdvONq43vfTfUt8l92uo4e4SEEvFbIEKOxGr44/edit?tab=t.0)
- Remember the following Communication Standards - use comment prefixes
for clarity:
  * **blocking**: Must be addressed before approval.
  * **follow-up**: Can be addressed in a later PR or ticket.
  * **q**: Clarifying question.
  * **nit**: Non-blocking suggestions.
  * **note**: Side-note, non-actionable. Example: Praise 
  * --> no prefix is considered a question

Author: mircea-cosbuc

helm_chart/values.yaml

@@ -29,6 +29,7 @@ operator:
   - mongodb
   - opsmanagers
   - mongodbusers
+  - mongodbcommunity
 
   nodeSelector: {}