feat: Add restart functionality

Signed-off-by: Michal Drla <[email protected]>

src/commands/index.ts

@@ -4,3 +4,4 @@ export * as whoami from './whoami';
 export * as whois from './whois';
 export * as uznanipredmetu from './uznanipredmetu';
 export * as prune from './prune';
+export * as restart from './restart';

src/commands/restart.ts

@@ -0,0 +1,19 @@
+import { SlashCommandBuilder } from '@discordjs/builders';
+import { PermissionFlagsBits } from 'discord-api-types/v9';
+import { CommandInteraction } from 'discord.js';
+
+/**
+ * Replies friendly hello to user.
+ */
+export const data = new SlashCommandBuilder()
+    .setName('restart')
+    .setDescription('Will restart bot')
+    .setDefaultMemberPermissions(PermissionFlagsBits.Administrator);
+
+export async function execute(interaction: CommandInteraction) {
+    return interaction
+        .reply('Restarting bot...')
+        .then(() => interaction.client.destroy())
+        .then(() => interaction.client.login(process.env.DISCORD_TOKEN))
+        .then(() => interaction.channel?.send('Bot successfully restarted!'));
+}