chore(aws-cloudfront): convert package to typescript

[dphang]

No description provided.

[codecov]

Codecov Report

Merging #1303 (510e0a4) into master (4fb2d75) will decrease coverage by 0.15%.
The diff coverage is 87.15%.

@@            Coverage Diff             @@
##           master    #1303      +/-   ##
==========================================
- Coverage   83.94%   83.79%   -0.16%     
==========================================
  Files          97       97              
  Lines        3327     3308      -19     
  Branches      973      972       -1     
==========================================
- Hits         2793     2772      -21     
- Misses        469      473       +4     
+ Partials       65       63       -2     

Impacted Files	Coverage Δ
...serverless-components/aws-cloudfront/serverless.js	0.00% <0.00%> (-81.67%)	⬇️
...verless-components/aws-cloudfront/src/component.ts	80.00% <80.00%> (ø)
...s-components/aws-cloudfront/src/getOriginConfig.ts	95.00% <95.00%> (ø)
...s-cloudfront/src/addLambdaAtEdgeToCacheBehavior.ts	100.00% <100.00%> (ø)
...omponents/aws-cloudfront/src/cacheBehaviorUtils.ts	100.00% <100.00%> (ø)
...s/aws-cloudfront/src/createOriginAccessIdentity.ts	100.00% <100.00%> (ø)
...-components/aws-cloudfront/src/getCacheBehavior.ts	100.00% <100.00%> (ø)
...ents/aws-cloudfront/src/getCustomErrorResponses.ts	100.00% <100.00%> (ø)
...ents/aws-cloudfront/src/getDefaultCacheBehavior.ts	100.00% <100.00%> (ø)
.../aws-cloudfront/src/grantCloudFrontBucketAccess.ts	100.00% <100.00%> (ø)
... and 8 more

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