Merge branch 'develop' of github.com:thecodingmachine/workadventure into feature/global-message

+ migrating to protobuf messages

# Conflicts:
#	back/src/App.ts
#	back/src/Controller/IoSocketController.ts
#	back/yarn.lock
#	front/src/Connection.ts
#	front/src/Phaser/Game/GameScene.ts
#	front/src/Phaser/Login/EnableCameraScene.ts
#	front/src/WebRtc/SimplePeer.ts

back/package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "tsc": "tsc",
-    "dev": "ts-node-dev --respawn --transpileOnly ./server.ts",
+    "dev": "ts-node-dev --respawn ./server.ts",
     "prod": "tsc && node ./dist/server.js",
     "profile": "tsc && node --prof ./dist/server.js",
     "test": "ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
@@ -36,27 +36,34 @@
   },
   "homepage": "https://github.com/thecodingmachine/workadventure#readme",
   "dependencies": {
-    "@types/express": "^4.17.4",
-    "@types/http-status-codes": "^1.2.0",
-    "@types/jsonwebtoken": "^8.3.8",
-    "@types/socket.io": "^2.1.4",
-    "@types/uuidv4": "^5.0.0",
     "axios": "^0.20.0",
     "body-parser": "^1.19.0",
-    "express": "^4.17.1",
+    "busboy": "^0.3.1",
+    "circular-json": "^0.5.9",
     "generic-type-guard": "^3.2.0",
+    "google-protobuf": "^3.13.0",
     "http-status-codes": "^1.4.0",
+    "iterall": "^1.3.0",
     "jsonwebtoken": "^8.5.1",
+    "mkdirp": "^1.0.4",
     "multer": "^1.4.2",
     "prom-client": "^12.0.0",
-    "socket.io": "^2.3.0",
+    "query-string": "^6.13.3",
     "systeminformation": "^4.26.5",
     "ts-node-dev": "^1.0.0-pre.44",
     "typescript": "^3.8.3",
+    "uWebSockets.js": "uNetworking/uWebSockets.js#v18.5.0",
     "uuidv4": "^6.0.7"
   },
   "devDependencies": {
+    "@types/busboy": "^0.2.3",
+    "@types/circular-json": "^0.4.0",
+    "@types/google-protobuf": "^3.7.3",
+    "@types/http-status-codes": "^1.2.0",
     "@types/jasmine": "^3.5.10",
+    "@types/jsonwebtoken": "^8.3.8",
+    "@types/mkdirp": "^1.0.1",
+    "@types/uuidv4": "^5.0.0",
     "@typescript-eslint/eslint-plugin": "^2.26.0",
     "@typescript-eslint/parser": "^2.26.0",
     "eslint": "^6.8.0",