ci: skip core CI for docs-only PRs

Author: thymikee

.github/workflows/ci.yml

@@ -2,6 +2,14 @@ name: CI
 
 on:
   pull_request:
+    paths-ignore:
+      - "docs/**"
+      - "website/**"
+      - "README.md"
+      - ".github/actions/build-docs/action.yml"
+      - ".github/workflows/deploy.yml"
+      - ".github/workflows/pr-preview.yml"
+      - ".github/workflows/pr-preview-cleanup.yml"
   push:
     branches:
       - main