feat: Add initial setup page and functionality for admin account creation

- Created setup.html for the initial configuration of the admin account.
- Implemented setup.js to handle form submission and validation.
- Added logo images for branding.
- Introduced storage.js for API data handling (load, save, remove).
- Added styles.css for consistent styling across the application.

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "ap-pos",
+  "version": "1.0.0",
+  "main": "app.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "express-session": "^1.18.0",
+    "sqlite3": "^5.1.7"
+  }
+}