First working version of role distribution.

package.json

+{
+  "name": "finf-discord",
+  "version": "0.1.0",
+  "description": "",
+  "main": "index.ts",
+  "scripts": {
+    "dev": "node index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@git.finf.uni-hannover.de:Yashin/finf-discord-js.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "GPLv3",
+  "dependencies": {
+    "@discordjs/rest": "^0.1.0-canary.0",
+    "@types/node": "^16.7.5",
+    "discord-api-types": "^0.22.0",
+    "discord.js": "^13.1.0",
+    "mongoose": "^6.0.2",
+    "typescript": "^4.4.2"
+  }
+}

registerCommands.js

+const {REST} = require('@discordjs/rest');
+const {Routes} = require('discord-api-types/v9');
+const {Client, Intents} = require('discord.js');
+const fs = require('fs');
+const botConfig = {
+    token: process.env.DISCORD_API_TOKEN,
+    applicationID: process.env.DISCORD_APP_ID
+};
+
+// Loading discord client to get all guild IDs
+const client = new Client({intents: [Intents.FLAGS.GUILDS]});
+
+client.on('ready', () => {
+    // Getting all command Javascript files from the commands folder
+    commands = []
+    const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'));
+
+    for (const file of commandFiles) {
+        const command = require(`./commands/${file}`);
+        commands.push(command);
+    }
+
+    const rest = new REST({version: '9'}).setToken(botConfig.token);
+
+    (async () => {
+        try {
+            console.log('Started refreshing application (/) commands.');
+
+            const guildIDs = await client.guilds.cache.map(guild => guild.id);
+            console.log(guildIDs)
+            //Going through all guildIDs and registering the commands with each one.
+            await Promise.all(guildIDs.map(async (guildID) => {
+                console.log(guildID);
+                await rest.put(
+                    Routes.applicationGuildCommands(botConfig.applicationID, guildID),
+                    {body: commands},
+                );
+            }));
+
+            console.log('Successfully reloaded application (/) commands.');
+        } catch (error) {
+            console.error(error);
+        }
+    })();
+});
+client.login(botConfig.token);
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