feat(paperless-ai): configure for production with Paperless API + LLM integration

- Add ConfigMap with production paperless-ai config
- Mount .env config file for app startup
- Enable auto-tagging, correspondent extraction, document type detection
- Set LLM API endpoint and token file location
- Configure 60s scan interval for document processing

k8s/apps/paperless/paperless-ai.yaml

@@ -25,6 +25,9 @@ spec:
         - name: paperless-ai-data
           persistentVolumeClaim:
             claimName: paperless-ai-data
+        - name: paperless-ai-env-config
+          configMap:
+            name: paperless-ai-env
       initContainers:
         - name: fetch-llm-token
           image: curlimages/curl:8.12.0
@@ -112,6 +115,9 @@ spec:
           volumeMounts:
             - name: paperless-ai-data
               mountPath: /app/data
+            - name: paperless-ai-env-config
+              mountPath: /app/data/.env
+              subPath: paperless-ai-config.env
           resources:
             requests:
               cpu: 100m