docs: possible fix for RTD zensical build

.readthedocs.yaml

@@ -15,9 +15,5 @@ build:
     build:
       html:
         - zensical build
-    post_build:
-      - mkdir -p $READTHEDOCS_OUTPUT/html/
-      - cp --recursive site/* $READTHEDOCS_OUTPUT/html/
-
-
-
+        - mkdir -p $READTHEDOCS_OUTPUT/html/
+        - cp --recursive site/* $READTHEDOCS_OUTPUT/html/