fix: edit permission for build workflow

Author: devraushan

.github/workflows/build.yml

@@ -1,5 +1,8 @@
 name: Build Frontend 
 
+permissions:
+  contents: write
+
 on:
   push:
     branches:
@@ -41,7 +44,7 @@ jobs:
           git config user.email "github-actions[bot]@users.noreply.github.com"
 
           git checkout -B production
-          
+
           git add src
 
           if git diff --cached --quiet; then