docs: add dimensions section with available dimension types in create.mdx

Author: NonSwag

content/docs/worlds/manage/create.mdx

@@ -10,6 +10,14 @@ There are three options `generator`, `type`, and `preset`.
   [Why keys instead of world names?](/docs/worlds/faq#why-keys)
 </Callout>
 
+## Dimensions
+
+There are following dimensions types:
+
+- `minecraft:overworld` - [The primary dimension.](https://minecraft.wiki/w/Overworld)
+- `minecraft:the_nether` - [The Nether dimension.](https://minecraft.wiki/w/The_Nether)
+- `minecraft:the_end` - [The End dimension.](https://minecraft.wiki/w/The_End)
+
 ## Generator
 
 To generate a new world using a custom generator, use the command