add CI/CD pipeline

Author: youssefx99

.github/workflows/deploy.yml

@@ -33,6 +33,7 @@ jobs:
           host: ${{ secrets.EC2_HOST }}
           username: ${{ secrets.EC2_USER }}
           key: ${{ secrets.EC2_SSH_KEY }}
+          passphrase: ${{ secrets.EC2_SSH_PASSPHRASE }}
           script: |
             cd ~/ProdLevel-RAG-Task-Manager
             git pull origin main