Refactor: move services to components, add route modules

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cashu-redeem-api",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "description": "A production-grade API for redeeming Cashu tokens (ecash) to Lightning addresses using the cashu-ts library and LNURLp protocol",
   "main": "server.js",
   "scripts": {
@@ -33,8 +33,8 @@
     "url": "https://github.com/Michilis"
   },
   "dependencies": {
-    "@cashu/cashu-ts": "^1.1.0",
-    "axios": "^1.7.7",
+    "@cashu/cashu-ts": "^3.4.1",
+    "axios": "^1.8.1",
     "bolt11": "^1.4.1",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",