Restrict GitHub Actions workflow triggers to relevant files and directories and prevent unnecessary re-deploys

Author: deep-priyo

.github/workflows/deploy.yml

@@ -4,6 +4,11 @@ on:
   push:
     branches:
       - main
+    paths:
+      - 'backend/**'
+      - 'frontend/**'
+      - 'docker-compose.yml'
+      - '.github/workflows/**'
 
 jobs:
   build-and-deploy: