add known issue about deleted library restore (#3390)

#### Does this PR need a docs update or release note?

- [x] ✅ Yes, it's included

#### Type of change

- [x] 🗺️ Documentation

#### Issue(s)

* #3382

CHANGELOG.md

@@ -27,6 +27,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Known Issues
 - Restore operations will merge duplicate Exchange folders at the same hierarchy level into a single folder.
 
+ ### Known Issues
+ - SharePoint document library data can't be restored after the library has been deleted.
+
 ## [v0.7.0] (beta) - 2023-05-02
 
 ### Added

website/docs/support/known-issues.md

@@ -20,7 +20,7 @@ Below is a list of known Corso issues and limitations:
   while a backup is being created will be included in the running backup.
   Future backups run when the data isn't modified will include the data.
 
-* OneDrive files ending in `.meta` or `.dirmeta` get omitted from Details and Restore commands.
-
 * Exchange Calender Event instance exceptions (changes to a single event within a recurring series) aren't
 included in backup and restore.
+
+* SharePoint document library data can't be restored after the library has been deleted.