Add deployment workflow for backend in Gitea

.gitea/workflows/deploy.yml

@@ -0,0 +1,31 @@
+name: Deploy Backend
+
+on:
+    push:
+        branches:
+            - main
+
+jobs:
+    deploy:
+        runs-on: linux
+        defaults:
+            run:
+                working-directory: /home/app/saude/entity
+
+        steps:
+            - name: Install SSH
+              run: |
+                  if command -v apk >/dev/null; then
+                    apk add --no-cache openssh-client
+                  elif command -v apt-get >/dev/null; then
+                    apt-get update && apt-get install -y openssh-client
+                  fi
+
+            - name: Pull latest source from main
+              run: |
+                  git fetch origin
+                  git reset --hard origin/main
+
+            - name: Build
+              run: |
+                  npm run build