[SMS App] Implemented notification support to notify the user about the newly received message.
Summary
Implemented notification support to notify the user about the newly received SMS/MMS when KDE Connect will be set as the default SMS app.
Test Plan
After adding this patch and installing the app, set KDE Connect as the default SMS app.
Send the SMS message from another device and notifications will appear in the status bar.
Reply to the notification by tapping on the REPLY
action button.
Tapping on MARK AS READ
will mark the message as read in the database.
Edited by Aniket Kumar