Update build script to copy public directory to dist after build

- Modified the build script in package.json to include a command that copies the public directory to the dist folder, ensuring that static assets are available in the production build.

Author: jpatterson933

package.json

@@ -4,7 +4,7 @@
   "type": "module",
   "scripts": {
     "dev": "tsx watch src/index.ts",
-    "build": "tsup",
+    "build": "tsup && cp -r public dist/",
     "start": "node dist/index.js",
     "db:generate": "drizzle-kit generate",
     "db:migrate": "drizzle-kit migrate",