added discordjs docs command

src/commands/utility/djsdocs.js

@@ -0,0 +1,35 @@
+const { Command } = require('../..')
+const fetch = require('node-fetch')
+const VALID_SOURCES = ['stable', 'master', 'commando', 'rpc', 'akairo-master', 'collection']
+
+module.exports = class DjsDocs extends Command {
+  constructor (client) {
+    super({
+      name: 'djsdocs',
+      aliases: ['djdocs'],
+      category: 'utility',
+      parameters: [{
+        type: 'string',
+        full: true,
+        clean: false,
+        missingError: 'commands:docs.noQueryProvided'
+      }, [{
+        type: 'string',
+        name: 'source',
+        aliases: ['src'],
+        required: false
+      }]]
+    }, client)
+  }
+
+  async run ({ channel, flags }, query) {
+    const { source } = flags
+    const src = VALID_SOURCES.includes(source) ? source : 'stable'
+
+    const queryParams = new URLSearchParams({ src, q: query })
+    const embed = await fetch(`https://djsdocs.sorta.moe/v2/embed?${queryParams.toString()}`)
+      .then(res => res.json())
+
+    channel.send({ embed }).then(() => channel.stopTyping())
+  }
+}

src/locales/en-US/commands.json

@@ -14,6 +14,11 @@
     "commandUsage": "<text>",
     "noSentence": "You have to give me some text to reverse!"
   },
+  "djsdocs": {
+    "commandDescription": "Shows information from the discord.js documentation.",
+    "commandUsage": "<query>",
+    "noQueryProvided": "You have to give me a search query!"
+  },
   "hmmm": {
     "commandDescription": "Shows a random image from /r/hmmm."
   },