fix: decouple docgen from compile task

[Chriscbr]

Closes #1153

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[codecov-commenter]

Codecov Report

Merging #1154 (014d8bb) into main (377966e) will increase coverage by 6.68%.
The diff coverage is 89.28%.

@@            Coverage Diff             @@
##             main    #1154      +/-   ##
==========================================
+ Coverage   78.46%   85.15%   +6.68%     
==========================================
  Files          88      115      +27     
  Lines        3181     4445    +1264     
  Branches      809     1182     +373     
==========================================
+ Hits         2496     3785    +1289     
+ Misses        683      660      -23     
+ Partials        2        0       -2     

Impacted Files	Coverage Δ
src/_resolve.ts	96.87% <ø> (+0.57%)	⬆️
src/awscdk-app-ts.ts	88.63% <ø> (+72.45%)	⬆️
src/awscdk-construct.ts	86.11% <ø> (+71.82%)	⬆️
src/cdk8s-app-ts.ts	90.00% <ø> (-1.90%)	⬇️
src/cdk8s-construct.ts	93.75% <ø> (+60.41%)	⬆️
src/cdktf-construct.ts	87.50% <ø> (ø)
src/clobber.ts	100.00% <ø> (ø)
src/deps/dependencies.ts	100.00% <ø> (ø)
src/eslint.ts	89.36% <ø> (+13.49%)	⬆️
src/file.ts	97.05% <ø> (+0.08%)	⬆️
... and 151 more

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