feat: add hooks

[echosoar]

No description provided.

[gitpod-io]

[codecov-commenter]

Codecov Report

Merging #601 into serverless will increase coverage by 0.40%.
The diff coverage is 66.66%.

@@              Coverage Diff               @@
##           serverless     #601      +/-   ##
==============================================
+ Coverage       80.58%   80.99%   +0.40%     
==============================================
  Files              99       99              
  Lines            3827     4030     +203     
  Branches          515      555      +40     
==============================================
+ Hits             3084     3264     +180     
- Misses            737      760      +23     
  Partials            6        6              

Impacted Files	Coverage Δ
packages/gateway-common-http/src/common.ts	91.22% <ø> (ø)
packages/serverless-spec-builder/src/builder.ts	61.76% <0.00%> (-3.87%)	⬇️
packages/faas-cli-command-core/src/core.ts	81.81% <100.00%> (+0.07%)	⬆️
packages/faas-cli-plugin-invoke/src/invoke.ts	97.56% <100.00%> (+0.06%)	⬆️
packages/faas-cli-plugin-invoke/src/utils.ts	85.71% <0.00%> (-2.39%)	⬇️
packages/faas/src/starter.ts	82.85% <0.00%> (-0.95%)	⬇️
packages/faas-cli-plugin-package/src/index.ts	88.80% <0.00%> (-0.55%)	⬇️
packages/serverless-fc-starter/src/runtime.ts	80.18% <0.00%> (-0.05%)	⬇️
packages/faas/src/configuration.ts	100.00% <0.00%> (ø)
packages/koa-layer/index.js	96.15% <0.00%> (+0.32%)	⬆️
... and 6 more

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