Add sub-categories to affirmation categories

Add self-referential parent/child relation on AffirmationCategory for
   one-level hierarchy. Update AffirmationForm with two-level category and
   sub-category dropdowns, server actions with find-or-create hierarchy
   logic, AffirmationList with Parent

.github/workflows/deploy.yml

@@ -11,6 +11,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run migrations
+        run: |
+          set -a
+          source /mnt/volume_nyc3_01/Portal/.env
+          set +a
+          export DO_CA_CERTIFICATE=/etc/ssl/certs/do-ca-certificate.crt
+          npx prisma migrate deploy
+
       - name: Build image
         run: podman build -t portal:latest .