Missing basic functionality

[avivace]

• [x] Basic Search form (keyword matching, tag filtering, results per page)
• [x] Pagination (main view, search results)
• [x] Friendly URLs/permalinks for tags
• [ ] Basic metadata / SEO-friendly pages (title, description, keywords)
• [x] Sorting (?)

[avivace]

SEO should be handled by the frontend, so this should be done