Added GH action deploy script

Author: WangRyan408

.github/workflows/deploy.yml

@@ -0,0 +1,31 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+    
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Configure SSH
+        run: |
+          mkdir -p ~/.ssh/
+          echo "$SSH_PRIVATE_KEY" > ~/.ssh/deploy-key.pem
+          chmod 600 ~/.ssh/deploy-key.pem
+          cat >> ~/.ssh/config <<END
+          Host my-droplet
+            HostName $SSH_IP
+            User $SSH_USER
+            IdentityFile ~/.ssh/deploy-key.pem
+            StrictHostKeyChecking no
+          END
+        env:
+          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
+          SSH_IP: ${{ secrets.SSH_IP }}
+          SSH_USER: ${{ secrets.SSH_USER }}
+      
+      - name: Print root dir
+        run: ssh my-droplet 'cd ${{ secrets.PROJECT_ROOT }} && pwd'