fix: update url

Author: faretek1

mkdocs.yml

@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=https://squidfunk.github.io/mkdocs-material/schema.json
 
 site_name: Scratch (API) Documentation
-site_url: https://scratch-api.github.io/docs/
+site_url: https://scratchapi.org/
 site_description: Documentation for the Scratch API and other things
 
 repo_url: https://github.com/scratch-api/scratch-api.github.io