fix(docs): add example for creating a default world without custom options

Author: NonSwag

content/docs/worlds/manage/create.mdx

@@ -103,6 +103,12 @@ Creating a nether world with a specificified key:
 /world create "My Nether World" type normal dimension nether key citybuild:farmworld/nether
 ```
 
+To create a default world without any custom options, you can use:
+
+```
+/world create "My Default World"
+```
+
 ## Available Dimensions
 
 There are following dimensions types: