feat: add taxonomy classify service + /classify endpoint

- scripts/taxonomy.py: shared taxonomy with 14 categories, keyword scorer
  and classify_text() function
- scripts/classify_server.py: FastAPI service — forwards to kreuzberg /extract,
  applies taxonomy, returns category/subcategory/confidence alongside full kreuzberg response
- Dockerfile.classify: lightweight Python image for classify service
- classify.nomad: Nomad job → classify.i80.dk
- .gitea/workflows/classify.yml: CI/CD pipeline (build + deploy)
- analyse_familie.py: refactored to import from taxonomy.py (no duplication)
- .gitignore: exclude dokumenter_keywords.* and extract_all.log

.gitea/workflows/classify.yml

@@ -0,0 +1,52 @@
+name: Deploy classify service
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "scripts/classify_server.py"
+      - "scripts/taxonomy.py"
+      - "Dockerfile.classify"
+      - "classify.nomad"
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: hjess/kreuzberg-classify
+
+jobs:
+  build-and-deploy:
+    runs-on: debian-host
+
+    env:
+      PATH: /usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/bin:/snap/bin
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build Docker image
+        run: |
+          docker build -f Dockerfile.classify -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest .
+
+      - name: Push to registry
+        run: |
+          docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+
+      - name: Validate Nomad job
+        run: nomad job validate classify.nomad
+        env:
+          NOMAD_ADDR: "https://nomad.i80.dk:4646"
+
+      - name: Deploy to Nomad
+        run: nomad job run classify.nomad
+        env:
+          NOMAD_ADDR: "https://nomad.i80.dk:4646"
+
+      - name: Check deployment status
+        run: |
+          sleep 10
+          nomad job status classify
+        env:
+          NOMAD_ADDR: "https://nomad.i80.dk:4646"