implemented Linghning payments, mintService and other methods

Author: Harshdev098

package-lock.json

@@ -16,6 +16,7 @@
     "qr-scanner": "^1.4.2",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "react-qr-code": "^2.0.15",
     "react-redux": "^9.2.0",
     "react-router": "^7.5.3"
   },