feat: add basic blog features

db/migrations/2026-02-22_18:00_create_blog_tables.sql

@@ -0,0 +1,9 @@
+CREATE XTENSION IF NOT EXISTS "uuid-ossp";
+
+CREATE TABLE posts (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  title VARCHAR(255) NULL UNIQUE,
+  content TEXT,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);