rfc: bot messages and buttons, core: command markdown, supported commands in profile preferences, chat sessions preference, peer type field in profile to identify bots (#5360)

* rfc: bot messages and buttons

* update

* update bot rfc

* core: add bot commands to chat preferences and peer type to profile

* update postgresql schema

* update query plans

* chat sessions preference

* markdown for bot commands

* schema

* core: file preference, options to create bot from CLI

* core: different command type

* ios: commands menu

* update types

* update ios

* improve command markdown

* core, ios: update types

* android, desktop: clickable commands in messages in chats with bots

* android, desktop: commands menu

* command menu button, bot icon

* ios: connect flow for bots

* android, desktop: connect flow for bots

* icon

* CLI commands to view and set commands, remove "hidden" property of command, bot api docs

* corrections

* fix inheriting profile preferences to business groups

* note on business address

* ios: export localizations

* fix test

* commands to set file preference on user/contact, tidy up layout and display of command and attachment buttons

src/Simplex/Chat/Controller.hs

@@ -530,6 +530,7 @@ data ChatCommand
   | CancelFile {fileId :: FileTransferId}
   | FileStatus FileTransferId
   | ShowProfile -- UserId (not used in UI)
+  | SetBotCommands [ChatBotCommand]
   | UpdateProfile ContactName (Maybe Text) -- UserId (not used in UI)
   | UpdateProfileImage (Maybe ImageData) -- UserId (not used in UI)
   | ShowProfileImage