Adding release checklist

[jlk]

Initial PR for a release checklist.

Creating PR now to get feedback - let me know any thoughts, or feel free to contribute.

I know this is missing integration testing - if somebody's bored, feel free to add, otherwise I'll get that in soon.

[codecov]

Codecov Report

Merging #734 (2161748) into master (d8fd9c4) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #734      +/-   ##
==========================================
- Coverage   73.28%   73.18%   -0.10%     
==========================================
  Files         110      110              
  Lines        3099     3170      +71     
==========================================
+ Hits         2271     2320      +49     
- Misses        650      668      +18     
- Partials      178      182       +4     

Impacted Files	Coverage Δ
pkg/iac-providers/kubernetes/v1/load-dir.go	67.74% <0.00%> (-4.68%)	⬇️
pkg/cli/run.go	88.57% <0.00%> (-2.86%)	⬇️
pkg/iac-providers/helm/v3/load-dir.go	82.89% <0.00%> (-2.73%)	⬇️
pkg/iac-providers/terraform/commons/load-dir.go	80.59% <0.00%> (-2.48%)	⬇️
pkg/iac-providers/kustomize/v3/load-dir.go	71.69% <0.00%> (-2.31%)	⬇️
pkg/iac-providers/kubernetes/v1/normalize.go	88.05% <0.00%> (-2.31%)	⬇️
pkg/results/types.go	100.00% <0.00%> (ø)
pkg/k8s/admission-webhook/validating-webhook.go	62.00% <0.00%> (ø)
pkg/utils/resource.go
pkg/iac-providers/output/types.go	69.56% <0.00%> (ø)
... and 3 more

[devang-gaur]

minor changes requested. thanks for the initiative.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[kanchwala-yusuf]

Thank you @jlk for this PR!