integrate backend with paddle

package-lock.json

@@ -1765,6 +1765,35 @@
 				"protobufjs": "^6.10.2"
 			}
 		},
+		"@devoxa/aes-encryption": {
+			"version": "1.0.3",
+			"resolved": "https://registry.npmjs.org/@devoxa/aes-encryption/-/aes-encryption-1.0.3.tgz",
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+		},
+		"@devoxa/paddle-sdk": {
+			"version": "0.2.1",
+			"resolved": "https://registry.npmjs.org/@devoxa/paddle-sdk/-/paddle-sdk-0.2.1.tgz",
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+				"dayjs": "^1.8.33",
+				"form-data": "^4.0.0",
+				"node-fetch": "^2.6.0",
+				"php-serialize": "^4.0.2"
+			},
+			"dependencies": {
+				"form-data": {
+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
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+					"requires": {
+						"asynckit": "^0.4.0",
+						"combined-stream": "^1.0.8",
+						"mime-types": "^2.1.12"
+					}
+				}
+			}
+		},
 		"@eslint/eslintrc": {
 			"version": "0.4.3",
 			"resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.3.tgz",
@@ -16095,6 +16124,11 @@
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 			"integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
 		},
+		"php-serialize": {
+			"version": "4.0.2",
+			"resolved": "https://registry.npmjs.org/php-serialize/-/php-serialize-4.0.2.tgz",
+			"integrity": "sha512-73K9MqCnRn07sXxOht6kVLg+fg1lf/VYpecKy4n9ABcw1PJIAWfaxuQKML27EjolGHWxlXTy3rfh59AGrcUvIA=="
+		},
 		"picomatch": {
 			"version": "2.3.0",
 			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",