Docs, Changelog: Add info about regional indicators

CHANGELOG.md

@@ -11,7 +11,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Polls now always return a `voters_count`, even if they are single-choice.
 - Admin Emails: The ap id is used as the user link in emails now.
 - Search: When using Postgres 11+, Pleroma will use the `websearch_to_tsvector` function to parse search queries.
-- Emoji: Support the full Unicode 13.1 set of Emoji for reactions.
+- Emoji: Support the full Unicode 13.1 set of Emoji for reactions, plus regional indicators.
 
 ### Added
 

docs/API/pleroma_api.md

@@ -579,14 +579,14 @@ Emoji reactions work a lot like favourites do. They make it possible to react to
 ### React to a post with a unicode emoji
 * Method: `PUT`
 * Authentication: required
-* Params: `emoji`: A unicode RGI emoji
+* Params: `emoji`: A unicode RGI emoji or a regional indicator
 * Response: JSON, the status.
 
 ## `DELETE /api/v1/pleroma/statuses/:id/reactions/:emoji`
 ### Remove a reaction to a post with a unicode emoji
 * Method: `DELETE`
 * Authentication: required
-* Params: `emoji`: A unicode RGI emoji
+* Params: `emoji`: A unicode RGI emoji or a regional indicator
 * Response: JSON, the status.
 
 ## `GET /api/v1/pleroma/statuses/:id/reactions`