docs: add descriptions to world management commands for clarity

Author: NonSwag

content/docs/worlds/manage/clone.mdx

@@ -1,5 +1,6 @@
 ---
 title: Clone a world
+description: How to use the world clone command.
 ---
 
 To clone a world you can use the `/world clone <world> <key> [template]` command.  

content/docs/worlds/manage/command-permissions.mdx

@@ -1,5 +1,6 @@
 ---
 title: Command permissions
+description: A list of all world commands and their required permissions.
 ---
 
 | Command            | Permission                 |

content/docs/worlds/manage/create.mdx

@@ -1,5 +1,6 @@
 ---
 title: Create a new world
+description: How to use the world create command.
 ---
 
 You can create new worlds with the `/world create <key>` command.  

content/docs/worlds/manage/delete.mdx

@@ -1,5 +1,6 @@
 ---
 title: Delete a world
+description: How to use the world delete command.
 ---
 
 To delete a world you can use the `/world delete <world> [<flags>]` command.

content/docs/worlds/manage/import.mdx

@@ -1,5 +1,6 @@
 ---
 title: Import an existing world
+description: How to use the world import command.
 ---
 
 To import an existing world, you can use the `/world import <world> [<key>] [<dimension>] [<generator>]` command.

content/docs/worlds/manage/load.mdx

@@ -1,3 +1,4 @@
 ---
 title: Load a world
+description: How to use the world load command.
 ---

content/docs/worlds/manage/unload.mdx

@@ -1,3 +1,4 @@
 ---
 title: Unload a world
+description: How to use the world unload command.
 ---