adding a dot to test out a more robust solution although seems ok if …

…we over-trigger the render with files with md in the name

.github/workflows/render-all.yml

@@ -8,7 +8,7 @@ on:
   push:
     branches: [ main, staging ]
     paths:
-      - '**md'
+      - '**.md'
       - assets/*
       - quizzes/*