feat: implement Deep Forest dark mode, swipe gestures, PWA support, and PostgreSQL Full-Text Search

migrations/005_search_articles.down.sql

@@ -0,0 +1,5 @@
+-- Migration: 005_search_articles_down
+-- Description: Remove Full-Text Search support
+
+DROP INDEX IF EXISTS idx_articles_tsv;
+ALTER TABLE articles DROP COLUMN IF EXISTS tsv;