AstraCrawler CI

Workflow runs for AstraCrawler CI

• docs: update README with new features and add LICENSE

  completed successfully:
  AstraCrawler CI#3:Commit67cab16pushedbyLBatsoft
  master

  Jan 13, 20261m 40s
  More actions for workflow run 3

• fix: linting errors (unused global, undefined name)

  completed successfully:
  AstraCrawler CI#2:Commite259179pushedbyLBatsoft
  master

  Jan 9, 20261m 37s
  More actions for workflow run 2

• feat: setup ci/cd workflow with github actions

  failed:
  AstraCrawler CI#1:Commit760ae01pushedbyLBatsoft
  master

  Jan 9, 202625s
  More actions for workflow run 1