feat: CI/CD pipeline + Learning/Medicine/Travel services

- Add Gitea Actions workflow for automated build & deploy
- Add K8s manifests: webui, travel-svc, medicine-svc, sandbox-svc
- Update kustomization for localhost:5000 registry
- Add ingress for gooseek.ru and api.gooseek.ru
- Learning cabinet with onboarding, courses, sandbox integration
- Medicine service with symptom analysis and doctor matching
- Travel service with itinerary planning
- Server setup scripts (NVIDIA/CUDA, K3s, Gitea runner)

Made-with: Cursor

backend/deploy/k8s/gitea-deployment.yaml

@@ -0,0 +1,44 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: gitea
+  namespace: gitea
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: gitea
+  template:
+    metadata:
+      labels:
+        app: gitea
+    spec:
+      containers:
+      - name: gitea
+        image: gitea/gitea:1.22
+        ports:
+        - containerPort: 3000
+          name: http
+        - containerPort: 22
+          name: ssh
+        volumeMounts:
+        - name: data
+          mountPath: /data
+        env:
+        - name: GITEA__database__DB_TYPE
+          value: sqlite3
+        - name: GITEA__server__DOMAIN
+          value: git.gooseek.ru
+        - name: GITEA__server__ROOT_URL
+          value: https://git.gooseek.ru/
+        resources:
+          requests:
+            memory: "256Mi"
+            cpu: "100m"
+          limits:
+            memory: "512Mi"
+            cpu: "500m"
+      volumes:
+      - name: data
+        persistentVolumeClaim:
+          claimName: gitea-data