Begin api-key functionality on backend

backend/package.json

@@ -7,6 +7,7 @@
     "@types/crypto-js": "^4.1.1",
     "@types/libsodium-wrappers": "^0.7.10",
     "axios": "^1.1.3",
+    "bcrypt": "^5.1.0",
     "bigint-conversion": "^2.2.2",
     "cookie-parser": "^1.4.6",
     "cors": "^2.8.5",
@@ -62,6 +63,8 @@
   "devDependencies": {
     "@jest/globals": "^29.3.1",
     "@posthog/plugin-scaffold": "^1.3.4",
+    "@types/bcrypt": "^5.0.0",
+    "@types/bcryptjs": "^2.4.2",
     "@types/cookie-parser": "^1.4.3",
     "@types/cors": "^2.8.12",
     "@types/express": "^4.17.14",