Add archive downvote segment cron

package.json

@@ -18,6 +18,7 @@
     "@ajayyy/lru-diskcache": "^1.1.9",
     "@types/request": "^2.48.6",
     "better-sqlite3": "^7.4.1",
+    "cron": "^1.8.2",
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "express-rate-limit": "^5.3.0",
@@ -28,6 +29,7 @@
   },
   "devDependencies": {
     "@types/better-sqlite3": "^5.4.3",
+    "@types/cron": "^1.7.3",
     "@types/express": "^4.17.13",
     "@types/express-rate-limit": "^5.1.3",
     "@types/mocha": "^8.2.3",