Check TypeScript for backend (#64)

* Check Typescript

* Fix backend typescript issues

* Update

package.json

@@ -5,6 +5,7 @@
     "scripts": {
         "fmt": "eslint \"**/*.{ts,vue}\" --fix",
         "lint": "eslint \"**/*.{ts,vue}\"",
+        "check-ts": "tsc --noEmit",
         "start": "tsx ./backend/index.ts",
         "dev:backend": "cross-env NODE_ENV=development tsx watch ./backend/index.ts",
         "dev:frontend": "cross-env NODE_ENV=development vite --host --config ./frontend/vite.config.ts",
@@ -33,8 +34,8 @@
         "jwt-decode": "~3.1.2",
         "knex": "~2.5.1",
         "limiter-es6-compat": "~2.1.2",
-        "mysql2": "^3.6.3",
-        "redbean-node": "0.3.2",
+        "mysql2": "~3.6.3",
+        "redbean-node": "~0.3.3",
         "socket.io": "~4.7.2",
         "socket.io-client": "~4.7.2",
         "timezones-list": "~3.0.2",
@@ -49,6 +50,7 @@
         "@fortawesome/free-regular-svg-icons": "6.4.2",
         "@fortawesome/free-solid-svg-icons": "6.4.2",
         "@fortawesome/vue-fontawesome": "3.0.3",
+        "@types/bcryptjs": "^2.4.6",
         "@types/bootstrap": "~5.2.9",
         "@types/command-exists": "~1.2.3",
         "@types/express": "~4.17.21",