feat(cmd): bot information command

src/plugins/info/about.ts

@@ -0,0 +1,49 @@
+import { Command } from '../Command';
+import { promisify } from 'util';
+import { exec } from 'child_process';
+import { resolve } from 'path';
+import { MessageEmbed } from 'discord.js';
+
+export const command = new Command(
+  'about',
+  async (lifeguard, msg, args) => {
+    // Convert child_process#exec to async/await
+    const run = promisify(exec);
+
+    // Get Git Commit ID
+    const { stdout: gitCommitID } = await run('git rev-parse HEAD', {
+      cwd: resolve(__dirname),
+    });
+    const gitCommitURL = `https://gitdab.com/lifeguard/bot/commit/${gitCommitID}`;
+
+    // Get Node Version
+    const { stdout: nodeVersion } = await run('node -v');
+
+    // Get Discord.js Version
+    const { version: discordjsVersion } = require('discord.js/package.json');
+
+    // Get Lifeguard Version
+    const { version: lifeguardVersion } = require('../../../../package.json');
+
+    const embed = new MessageEmbed()
+      .setTitle('About Lifeguard')
+      .addField(
+        'Git Commit',
+        `[${gitCommitID}](${gitCommitURL}) (https://gitdab.com/lifeguard/bot/)`
+      )
+      .addField('Node Version', nodeVersion)
+      .addField('Discord.js Version', discordjsVersion)
+      .addField('Lifeguard Version', lifeguardVersion)
+      .setColor(0x7289da)
+      .setFooter(
+        `Executed By ${msg.author.tag}`,
+        msg.author.avatarURL() ?? msg.author.defaultAvatarURL
+      )
+      .setTimestamp();
+    msg.channel.send(embed);
+  },
+  {
+    level: 0,
+    usage: ['about'],
+  }
+);