add CI

.github/workflows/ci.yml

@@ -0,0 +1,71 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint:
+    name: Linting (Biome)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Biome
+        uses: biomejs/setup-biome@v2
+        with:
+          version: 2.3.12
+      - name: Run Biome
+        run: biome ci .
+
+  test-orchestrator:
+    name: Orchestrator Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+          cache-dependency-path: orchestrator/package-lock.json
+      - name: Install dependencies
+        run: npm ci
+        working-directory: orchestrator
+      - name: Run Vitest
+        run: npm run test:run
+        working-directory: orchestrator
+
+  build:
+    name: Build Verification
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+          cache-dependency-path: |
+            orchestrator/package-lock.json
+            extractors/gradcracker/package-lock.json
+            extractors/ukvisajobs/package-lock.json
+      
+      - name: Build Orchestrator
+        run: |
+          npm ci
+          npm run build
+        working-directory: orchestrator
+      
+      - name: Build gradcracker extractor
+        run: |
+          npm ci
+          npm run build
+        working-directory: extractors/gradcracker
+      
+      - name: Build ukvisajobs extractor
+        run: |
+          npm ci
+          npm run build
+        working-directory: extractors/ukvisajobs