core: 2fa support

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.1.28",
+    "version": "3.1.29",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
@@ -38,12 +38,14 @@
         "mongodb": "^3.7.3",
         "nanoid": "^3.1.30",
         "nodemailer": "^6.6.5",
+        "notp": "^2.0.3",
         "p-queue": "^7.1.0",
         "reflect-metadata": "^0.1.13",
         "serialize-javascript": "^6.0.0",
         "sockjs": "^0.3.21",
         "source-map-support": "^0.5.20",
         "superagent": "^6.1.0",
+        "thirty-two": "^1.0.2",
         "tx2": "^1.0.4"
     },
     "devDependencies": {
@@ -60,6 +62,7 @@
         "@types/minio": "^7.0.11",
         "@types/mongodb": "^3.6.20",
         "@types/nodemailer": "^6.4.4",
+        "@types/notp": "^2",
         "@types/serialize-javascript": "^5.0.1",
         "@types/sockjs": "^0.3.33",
         "@types/source-map-support": "^0.5.4",