Add support for sending Markdown messages

interface/matrix.go

@@ -29,6 +29,7 @@ type MatrixContainer interface {
 	Start()
 	Stop()
 	SendMessage(roomID, msgtype, message string) (string, error)
+	SendMarkdownMessage(roomID, msgtype, message string) (string, error)
 	SendTyping(roomID string, typing bool)
 	JoinRoom(roomID string) error
 	LeaveRoom(roomID string) error

interface/ui.go

@@ -89,7 +89,6 @@ type MessageMeta interface {
 	Timestamp() time.Time
 	FormatTime() string
 	FormatDate() string
-	CopyFrom(from MessageMeta)
 }
 
 // MessageState is an enum to specify if a Message is being sent, failed to send or was successfully sent.