feat: streamer should implement the community pool interface

[mtsitrin]

PR Standards

Opening a pull request should be able to meet the following requirements:

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For Author:

• [ ] Targeted PR against the correct branch
• [ ] included the correct type prefix in the PR title
• [ ] Linked to the GitHub issue with discussion and accepted design
• [ ] Targets only one GitHub issue
• [ ] Wrote unit and integration tests
• [ ] Wrote relevant migration scripts if necessary
• [ ] All CI checks have passed
• [ ] Added relevant godoc comments

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For Reviewer:

• [ ] confirmed the correct type prefix in the PR title
• [ ] Reviewers assigned
• [ ] confirmed all author checklist items have been addressed

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After reviewer approval:

• [ ] In case it targets the main branch, PR should be squashed and merged.
• [ ] In case the PR targets a release branch, PR should be rebased.

[codecov[bot]]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (7b89256) 30.90% compared to head (3b71d6c) 30.90%.

Files	Patch %	Lines
x/streamer/keeper/community_pool.go	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #436      +/-   ##
==========================================
- Coverage   30.90%   30.90%   -0.01%     
==========================================
  Files         166      167       +1     
  Lines       25014    25016       +2     
==========================================
  Hits         7730     7730              
- Misses      16045    16047       +2     
  Partials     1239     1239              

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[mtsitrin]

will be merged after streamer will support direct funding

[omritoptix]

@mtsitrin can this be closed?