Invoices can be created

- Transactions can now be tracked

package.json

@@ -21,6 +21,7 @@
   "author": "Mondei1",
   "license": "MIT",
   "dependencies": {
+    "argon2": "^0.27.1",
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",
@@ -30,9 +31,9 @@
     "mongoose": "^5.11.8",
     "mysql": "^2.18.1",
     "ts-node": "^9.1.1",
-    "typeorm": "^0.2.29",
     "typescript": "^4.1.3",
-    "winston": "^3.3.3"
+    "winston": "^3.3.3",
+    "zeromq": "^6.0.0-beta.6"
   },
   "devDependencies": {
     "@types/typescript": "2.0.0",
@@ -42,6 +43,9 @@
     "@types/winston": "2.4.4",
     "@types/dotenv": "8.2.0",
     "@types/jsonwebtoken": "8.5.0",
-    "@types/mysql": "2.15.16"
+    "@types/mysql": "2.15.16",
+    "@types/mongoose": "5.10.3",
+    "@types/argon2": "0.15.0",
+    "@types/zeromq": "4.6.3"
   }
 }