feat: Implement persistence and initial project setup

ap-pos/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "ap-pos",
+  "version": "1.0.0",
+  "main": "app.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "sqlite3": "^5.1.7"
+  }
+}