chore: github issue templates

[kaizencc]

Grrr, no projen support: projen/projen#3567. I'm lazy so I just copied and pasted a few from the aws-cdk repo. This is somewhat necessary because it adds the needs-triage label automatically, that my other PR will need: #118

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

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.06%. Comparing base (fdf54d0) to head (56ad9c7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #153      +/-   ##
==========================================
+ Coverage   84.68%   85.06%   +0.38%     
==========================================
  Files         196      196              
  Lines       35187    35187              
  Branches     4557     4590      +33     
==========================================
+ Hits        29797    29932     +135     
+ Misses       5235     5105     -130     
+ Partials      155      150       -5     

Flag	Coverage Δ
suite.unit	85.06% <ø> (+0.38%)	⬆️

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