Documentation InMemory Description not correct

[Alexander Schranz]

Bug Report

Q	A
Flysystem Version	3
Adapter Name	memory
Adapter version	3

Summary

I'm little too stupid to find where the documentation is coming from. But the text on the InMemory adpater is false:

https://flysystem.thephpleague.com/docs/adapter/in-memory/

# Current Description:
-Interacting with the local filesystem through Flysystem can be done by using the `League\Flysystem\InMemory\InMemoryFilesystemAdapter`.
# V1 https://flysystem.thephpleague.com/v1/docs/adapter/memory/
+This adapter keeps the filesystem completely in memory. This is useful when you need a filesystem, but don’t want it persisted.
# better maybe with the addition of the class:
+This adapter keeps the filesystem completely in memory. This is useful when you need a filesystem, but don’t want it persisted. It can be done by using the `League\Flysystem\InMemory\InMemoryFilesystemAdapter`