fix(kinesis): add missing init file

[puchy22]

Context

Missing init file in Kinesis was producing a bug when listing checks.

Description

Add missing files.

Checklist

• Are there new checks included in this PR? No
  • If so, do we need to update permissions for the provider? No
• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.55%. Comparing base (415c319) to head (fd873c6).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5490      +/-   ##
==========================================
- Coverage   89.57%   89.55%   -0.03%     
==========================================
  Files        1068     1068              
  Lines       33109    33109              
==========================================
- Hits        29658    29650       -8     
- Misses       3451     3459       +8     

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[sergargar]

Good catch @puchy22 ⚾ !