document discord-api-types as a community resource (#2401)

Author: vladfrangu

docs/topics/Community_Resources.md

@@ -103,3 +103,9 @@ Using Discord's [Dispatch](#DOCS_DISPATCH_DISPATCH_AND_YOU) tool for game develo
 Webhooks and embeds might seem like black magic. That's because they are, but let us help you demystify them a bit. This sweet embed visualizer lets you play around with JSON data and see exactly how it will look embedded in Discord. It even includes a webhook mode!
 
 - [LeoV's Embed Visualizer](https://leovoel.github.io/embed-visualizer/)
+
+## API Types
+
+If you're working on a project that interacts with our API, you might find an API types module useful as it provides type inspection/completion for the Discord API.
+
+- [discord.js API Types](https://github.com/discordjs/discord-api-types)