[Feature Suggestion] Pinned Content and Server message export features

Having an option to export pinned messages for private conversations -and- posts within a date range in an owned server if you have admin or set permissions, to a csv or formatted text file. Subsequently, export options to omit certain fields.

Formatted entry:
**Username**  -Timestamp-
-Message with styling symbols ** `` etc-
-embed urls-

CSV:
-Username- | -timestamp- | -message- | -embed url-,-Username- | -timestamp- | -message- | -embed url-