feat: Add option to use HTML comments instead of details/summary (#3)

action.yml

@@ -45,11 +45,19 @@ runs:
         git checkout main
 
         echo "Remove 'open' from any <details> tags"
-        sed -i.tmp -r 's/<details id=([0-9]+) open>/<details id=\1>/g' README.md
+        sed -i.tmp -r 's/<details id=([0-9X]+) open>/<details id=\1>/g' README.md
 
         echo "Add 'open' to step TO_STEP"
         sed -i.tmp -r "s/<details id=$TO_STEP>/<details id=$TO_STEP open>/g" README.md
 
+        echo "Update all HTML comments to hide everything"
+        sed -i.tmp -r 's/<!--step([0-9X]+)-->/<!--step\1/g' README.md
+        sed -i.tmp -r 's/<!--endstep([0-9X]+)-->/endstep\1-->/g' README.md
+
+        echo "Show the current TO_STEP"
+        sed -i.tmp -r "s/<\!--step$TO_STEP/<\!--step$TO_STEP-->/g" README.md
+        sed -i.tmp -r "s/endstep$TO_STEP-->/<\!--endstep$TO_STEP-->/g" README.md
+
         echo "Update the STEP file to TO_STEP"
         echo "$TO_STEP" > .github/script/STEP