Add Drizzle ORM setup and database configuration

- Add drizzle.config.ts for database migrations
- Create server/database/ structure with schema
- Add drizzle-orm and postgres dependencies
- Add db:* npm scripts for database management

server/database/migrations/meta/_journal.json

@@ -0,0 +1,13 @@
+{
+  "version": "7",
+  "dialect": "postgresql",
+  "entries": [
+    {
+      "idx": 0,
+      "version": "7",
+      "when": 1761820599588,
+      "tag": "0000_tiresome_malcolm_colcord",
+      "breakpoints": true
+    }
+  ]
+}