Update .gitignore: ignore content/ directory instead of public/content/

- Changed from 'public/content/*' to 'content/'
- Matches new content directory structure outside web root
- Improves security by keeping content separate from public files

.gitignore

@@ -22,4 +22,4 @@ Thumbs.db
 *.temp
 
 # No content
-content/*
+content/