feat: Add github action to deploy main (#44)

Author: karthik-sivadas

.github/workflows/deploy-main.yml

@@ -0,0 +1,35 @@
+name: Deploy main
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "ui/**"
+      - "server/**"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up SSH key
+        env:
+          SSH_KEY_BASE64: ${{ secrets.SSH_KEY_BASE64 }}
+        run: |
+          echo "$SSH_KEY_BASE64" | base64 --decode > ${HOME}/multiwoven-deployments.pem
+          chmod 600 ${HOME}/multiwoven-deployments.pem
+
+      - name: Deploy main
+        env:
+          SSH_HOST: ${{ secrets.SSH_HOST }}
+          SSH_USER: ${{ secrets.SSH_USER }}
+        run: |
+          ssh -o StrictHostKeyChecking=no -i ${HOME}/multiwoven-deployments.pem $SSH_USER@$SSH_HOST << 'EOF'
+            cd multiwoven
+            git pull origin main
+            docker-compose down
+            docker-compose up -d --build
+          EOF