Merge branch 'doc/unlisted-search' into 'develop'

differences_in_mastoapi_responses.md: Add note about unlisted results

Closes #1164

See merge request pleroma/pleroma!2195

docs/API/differences_in_mastoapi_responses.md

@@ -88,6 +88,9 @@ Behavior has changed:
 
 - `/api/v1/accounts/search`: Does not require authentication
 
+## Search (global)
+
+Unlisted posts are available in search results, they are considered to be public posts that shouldn't be shown in local/federated timeline.
 
 ## Notifications