Change comparison syntax

doc/docusaurus/build.sh

@@ -6,7 +6,7 @@ set +e
 
 BRANCH=$(cat ../../.git/HEAD | awk -F '/' '{print $NF}')
 
-for tag in $(git tag)
+for tag in $(git tag); do
   if [[ $(git ls-files | grep docs) ]]; then
     yarn run docusaurus docs:version $tag
   fi