docs: update contribution guideline (#5188)

* fix ignore command

* fixed ignore script

* docs: update contribution guideline

* fix ignore script

* fix eslint errors

* remove exit option

www/ignore-build-script.sh

@@ -3,12 +3,17 @@
 echo "VERCEL_ENV: $VERCEL_ENV"
 echo "VERCEL_GIT_COMMIT_REF: $VERCEL_GIT_COMMIT_REF"
 
-if [[ "$VERCEL_ENV" == "production" || "$VERCEL_GIT_COMMIT_REF" = "docs/"* ]] ; then
+$(git diff HEAD^ HEAD --quiet .)
+diffResult=$?
+
+echo "DIFF RESULT: $diffResult"
+
+if [[ ("$VERCEL_ENV" == "production" && $diffResult -eq 1) || "$VERCEL_GIT_COMMIT_REF" = "docs/"* ]] ; then
   # Proceed with the build
   echo "✅ - Build can proceed"
   exit 1;
 else
   # Don't build
-  echo "🛑 - Build cancelled"
+  echo "🛑 - Build cancelled: Conditions don't match"
   exit 0;
 fi