feat: add Adzuna extractor with orchestrator integration (#177)

* feat(settings): add adzuna source fields and country compatibility

* feat(discovery): integrate adzuna extractor into pipeline

* feat(client): wire adzuna in source selection and run budgeting

* docs(extractors): add adzuna guide and configuration notes

* chore(workspaces): register adzuna extractor in lockfile

* fix(adzuna): run extractor via npm script instead of npx

* fix(adzuna): execute extractor via node+tsx without shell

* fix(adzuna): prefer npm run start without shell, fallback to tsx

* fix(docker): include adzuna extractor workspace in image

* chore(adzuna): reuse shared type-conversion utilities

* type-check adzuna

* formatting

* deeedooop

* better instructions

extractors/adzuna/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "adzuna-extractor",
+  "version": "0.0.1",
+  "type": "module",
+  "description": "Adzuna extractor - fetches jobs from Adzuna search API",
+  "main": "src/main.ts",
+  "dependencies": {
+    "job-ops-shared": "^1.0.0",
+    "tsx": "^4.4.0"
+  },
+  "devDependencies": {
+    "@types/node": "^24.0.0",
+    "typescript": "~5.9.0"
+  },
+  "scripts": {
+    "start": "tsx src/main.ts",
+    "start:dev": "tsx src/main.ts",
+    "check:types": "tsc --noEmit"
+  }
+}