Added option to set From email on smtp settings

migrations/000003.php

@@ -0,0 +1,10 @@
+<?php
+// This migration adds a "from_email" column to the notifications table.
+
+/** @noinspection PhpUndefinedVariableInspection */
+$columnQuery = $db->query("SELECT * FROM pragma_table_info('notifications') where name='from_email'");
+$columnRequired = $columnQuery->fetchArray(SQLITE3_ASSOC) === false;
+
+if ($columnRequired) {
+    $db->exec('ALTER TABLE notifications ADD COLUMN from_email VARCHAR(255);');
+}