feat: add typescript-webpack template

[codebytere]

• I have read the contribution documentation for this project.
• I agree to follow the code of conduct that this project follows, as appropriate.
• The changes are appropriately documented (if applicable).
• The changes have sufficient test coverage (if applicable).
• The testsuite passes successfully on my local machine (if applicable).

Summarize your changes:

Adds a new template for Webpack + TypeScript.

cc @malept @MarshallOfSound

[codecov]

Codecov Report

Merging #1344 into master will decrease coverage by 1.38%.
The diff coverage is 94.44%.

@@            Coverage Diff             @@
##           master    #1344      +/-   ##
==========================================
- Coverage   68.56%   67.17%   -1.39%     
==========================================
  Files          70       71       +1     
  Lines        2042     2078      +36     
  Branches      383      387       +4     
==========================================
- Hits         1400     1396       -4     
- Misses        461      524      +63     
+ Partials      181      158      -23

Impacted Files	Coverage Δ
...ypescript-webpack/src/TypeScriptWebpackTemplate.ts	94.44% <94.44%> (ø)
packages/maker/squirrel/src/MakerSquirrel.ts	30% <0%> (-45%)	⬇️
packages/maker/wix/src/MakerWix.ts	40% <0%> (-45%)	⬇️
packages/maker/appx/src/MakerAppX.ts	19.64% <0%> (-35.72%)	⬇️
packages/maker/wix/src/util/author-name.ts	80% <0%> (-10%)	⬇️
packages/maker/appx/src/util/author-name.ts	80% <0%> (-10%)	⬇️
packages/maker/base/src/Maker.ts	70.27% <0%> (-2.71%)	⬇️
packages/api/core/src/api/import.ts	58.41% <0%> (+2.97%)	⬆️

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