Refactor the app to use Express server and Jest for tests

package.json

@@ -3,10 +3,11 @@
   "version": "1.2.9",
   "description": "Proxy server to bypass Cloudflare protection.",
   "scripts": {
-    "start": "node ./dist/index.js",
+    "start": "node ./dist/server.js",
     "build": "tsc",
-    "dev": "nodemon -e ts --exec ts-node src/index.ts",
-    "package": "node build-binaries.js"
+    "dev": "nodemon -e ts --exec ts-node src/server.ts",
+    "package": "node build-binaries.js",
+    "test": "jest --runInBand"
   },
   "author": "Diego Heras (ngosang)",
   "license": "MIT",
@@ -19,7 +20,9 @@
   },
   "dependencies": {
     "await-timeout": "^1.1.1",
+    "body-parser": "^1.19.0",
     "console-log-level": "^1.4.1",
+    "express": "^4.17.1",
     "got": "^11.8.2",
     "hcaptcha-solver": "^1.0.2",
     "puppeteer": "^3.3.0",
@@ -27,12 +30,18 @@
   },
   "devDependencies": {
     "@types/await-timeout": "^0.3.1",
+    "@types/body-parser": "^1.19.1",
+    "@types/express": "^4.17.13",
+    "@types/jest": "^27.0.2",
     "@types/node": "^14.17.27",
     "@types/puppeteer": "^3.0.6",
+    "@types/supertest": "^2.0.11",
     "@types/uuid": "^8.3.1",
     "archiver": "^5.3.0",
     "nodemon": "^2.0.13",
     "pkg": "^5.3.3",
+    "supertest": "^6.1.6",
+    "ts-jest": "^27.0.7",
     "ts-node": "^10.3.0",
     "typescript": "^4.4.4"
   }