Merge branch '#1' into 'dev'

#1 initialized backend

See merge request !1

backend/package.json

+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "ts-node-dev --respawn --trace-warnings --transpile-only src/index.ts",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}