feat: set up agenda controller for cron jobs

package.json

@@ -8,6 +8,7 @@
     "watch": "nodemon --watch src index.js"
   },
   "dependencies": {
+    "agenda": "^5.0.0",
     "argon2": "0.30.3",
     "cookie-parser": "~1.4.6",
     "cors": "^2.8.5",

src/app.js

@@ -14,6 +14,10 @@ await database.init().catch((err) => {
     process.exit(1)
 })
 
+// Initialize schedules
+import agenda from './schedules/index.js'
+await agenda.init()
+
 // Routes
 import indexRouter from './routes/index.js'
 import usersRouter from './routes/users.js'

src/schedules/index.js

@@ -0,0 +1,17 @@
+// Packages
+import Agenda from 'agenda'
+import mongoose from 'mongoose'
+
+class AgendaController {
+    instance = null
+
+    init() {
+        this.instance = new Agenda()
+
+        return this.instance.mongo(mongoose.connection.db, 'agenda-jobs')
+    }
+}
+
+const agendaController = new AgendaController()
+
+export default agendaController