Move Quartz config files to docs/

Keep repo root cleaner by storing quartz.config.ts and quartz.layout.ts
in docs/ alongside the content they configure. Updated workflow to copy
from the new location.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.forgejo/workflows/build-blumeops.yaml

@@ -54,9 +54,9 @@ jobs:
           # Install dependencies
           npm ci
 
-          # Copy our configuration
-          cp "$GITHUB_WORKSPACE/quartz.config.ts" .
-          cp "$GITHUB_WORKSPACE/quartz.layout.ts" .
+          # Copy our configuration (lives in docs/ to keep repo root clean)
+          cp "$GITHUB_WORKSPACE/docs/quartz.config.ts" .
+          cp "$GITHUB_WORKSPACE/docs/quartz.layout.ts" .
 
           # Copy docs as content
           rm -rf content