feat: implement localstack executor

[KozelAnatoliy]

Implement localstack cdk executor. Use this executor in cdk to prepare infrastructure for local mode. Implement cdk targets inference by cdk.json file presence.

[nx-cloud[bot]]

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[codecov-commenter]

Codecov Report

Merging #36 (45fae2f) into develop (403e06e) will decrease coverage by 0.16%. The diff coverage is 98.23%.

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@@             Coverage Diff             @@
##           develop      #36      +/-   ##
===========================================
- Coverage    98.61%   98.45%   -0.16%     
===========================================
  Files           12       15       +3     
  Lines          434      519      +85     
  Branches        77       90      +13     
===========================================
+ Hits           428      511      +83     
- Misses           3        5       +2     
  Partials         3        3              

Flag	Coverage Δ
cdk	98.45% <98.23%> (-0.16%)	:arrow_down:
create-aws-cdk-app	98.45% <98.23%> (-0.16%)	:arrow_down:
nx-aws-cdk	98.45% <98.23%> (-0.16%)	:arrow_down:

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Files	Coverage Δ
packages/nx-aws-cdk/src/executors/cdk/executors.ts	100.00% <ø> (ø)
packages/nx-aws-cdk/src/executors/cdk/index.ts	100.00% <100.00%> (ø)
...kages/nx-aws-cdk/src/executors/localstack/index.ts	100.00% <100.00%> (ø)
...nx-aws-cdk/src/generators/cdk-application/index.ts	96.25% <ø> (-0.05%)	:arrow_down:
packages/nx-aws-cdk/src/index.ts	100.00% <100.00%> (ø)
packages/nx-aws-cdk/src/utils/executors.ts	100.00% <100.00%> (ø)
packages/nx-aws-cdk/src/generators/preset/index.ts	96.10% <71.42%> (-2.47%)	:arrow_down:

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