Problem: No way to limit total number of filters that can be created

[devashishdxt]

Solution: Add a config parameter to set the total number of filters that can be created

Closes: #XXX

Description

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
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• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
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• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #661 (df72ec5) into main (8e12d94) will decrease coverage by 0.03%.
The diff coverage is 20.00%.

❗ Current head df72ec5 differs from pull request most recent head 4ab57f3. Consider uploading reports for the commit 4ab57f3 to get more accurate results

@@            Coverage Diff             @@
##             main     #661      +/-   ##
==========================================
- Coverage   57.03%   57.00%   -0.04%     
==========================================
  Files          63       63              
  Lines        5535     5540       +5     
==========================================
+ Hits         3157     3158       +1     
- Misses       2215     2219       +4     
  Partials      163      163              

Impacted Files	Coverage Δ
server/config/config.go	21.60% <20.00%> (-0.07%)	⬇️

[tomtau]

looks ok -- just a small nit on the current locking

[fedekunze]

LGTM, can you add a Changelog entry too?

[devashishdxt]

LGTM, can you add a Changelog entry too?

Done

[fedekunze]

@devashishdxt can you fix the linter issues?

[devashishdxt]

@devashishdxt can you fix the linter issues?

Done