bunch of changes

package.json

@@ -1,12 +1,12 @@
 {
+  "type": "module",
   "author": "Roman Shtylman <[email protected]>",
   "name": "localtunnel-server",
   "description": "expose localhost to the world",
   "version": "0.0.8",
   "license": "MIT",
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/localtunnel/server.git"
+  "engines": {
+    "node": ">=12"
   },
   "dependencies": {
     "book": "1.3.3",
@@ -21,13 +21,16 @@
     "tldjs": "2.3.1"
   },
   "devDependencies": {
-    "mocha": "5.1.1",
+    "eslint": "7.20.0",
+    "eslint-config-airbnb-base": "14.2.1",
+    "eslint-plugin-import": "2.22.1",
+    "mocha": "8.3.0",
     "node-dev": "3.1.3",
     "supertest": "3.1.0",
     "ws": "5.1.1"
   },
   "scripts": {
-    "test": "mocha --check-leaks --require esm './**/*.test.js'",
+    "test": "mocha --check-leaks ./**/*.test.js",
     "start": "node -r esm bin/server --port 1234 --max-sockets 30",
     "start-docker": "docker run -d --restart always --name localtunnel --net host defunctzombie/localtunnel-server:latest --port 1234",
     "dev": "node-dev bin/server --port 3000",