v0.5.0

Rationale
#68

• [bb tasks] Remove some of the bb tasks:
  • bucket:create
  • bucket:remove
  • stack:invoke
  • stack:api
  • stack:pack
  • stack:deploy
  • stack:describe
  • stack:destroy
  • stack:logs
• [holy-lambda] Renamed tasks:
  • bb hl:sync (renamed from bb stack:sync)
  • bb hl:compile (renamed from bb stack:compile)
  • bb hl:native:conf (renamed from bb native:conf)
  • bb hl:native:executable (renamed from bb native:executable)
  • bb hl:clean (renamed from bb stack:purge)
  • bb hl:version (renamed from bb stack:version)
  • bb hl:doctor (renamed from bb stack:doctor)
• [holy-lambda] Performance improvements
• [holy-lambda] Remove deflambda macro, merge mixins. Use plain defn for lambda definition.
  Holy Lambda exposes a single macro from the core namespace entrypoint. native-runtime namespace has been renamed to
  custom-runtime. custom-runtime namespace is internal, not for public consumption.
• [holy-lambda] Remove interceptors support. For API's user can easily integrate Holy Lambda with ring or pedestal. The adapters for the mentioned libraries will be published soon.
• [docker] New compatible fierycod/graalvm-native-image images:
  • :ce - GraalVM CE 21.2.0
  • :dev - GraalVM DEV 21.3.0-dev-20210910_2147
• [bb layer] Layer version matches the holy-lambda version. New release 0.5.1 includes the latest babashka 0.6.1. Layer should be deployed via serverless repository deploy button:
  https://serverlessrepo.aws.amazon.com/applications/eu-central-1/443526418261/holy-lambda-babashka-runtime
• Fix Clojure tools warnings, about not existing .jar file
• Don't re-download HL tasks in CI environments
• New documentation