Hiring cafe extractor (#192)

* feat(hiringcafe): register new source across shared/server/client enums

* feat(hiringcafe-extractor): add browser-backed Hiring Cafe dataset extractor

* feat(orchestrator): integrate Hiring Cafe discovery service into pipeline

* feat(orchestrator-ui): add Hiring Cafe to source availability and run estimates

* chore(hiringcafe): wire CI/docker and add extractor documentation

* chore(format): apply biome formatting for Hiring Cafe integration

* add original websites

* coomints

* number or null

.github/workflows/ci.yml

@@ -52,6 +52,7 @@ jobs:
         project:
           - orchestrator
           - adzuna-extractor
+          - hiringcafe-extractor
           - gradcracker-extractor
           - ukvisajobs-extractor
     steps: