Move RateLimit class from Jicofo.

[JonathanLennox]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 42.73%. Comparing base (65e2bd7) to head (1a66d91).
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #151      +/-   ##
============================================
+ Coverage     42.29%   42.73%   +0.43%     
- Complexity      269      276       +7     
============================================
  Files            59       60       +1     
  Lines          2487     2506      +19     
  Branches        345      348       +3     
============================================
+ Hits           1052     1071      +19     
  Misses         1354     1354              
  Partials         81       81              

Files with missing lines	Coverage Δ
src/main/kotlin/org/jitsi/utils/RateLimit.kt	100.00% <100.00%> (ø)

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 65e2bd7...1a66d91. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.