ACARS table vs int to double (#1028)

* mail config - "driver" to "default"

* Change VS type from int to double

* Migration fix

* Fix type

app/Database/migrations/2021_02_10_044305_change_acars_vs_type.php

@@ -0,0 +1,18 @@
+<?php
+
+use App\Contracts\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Change the vertical speed for the acars table to a double
+ */
+class ChangeAcarsVsType extends Migration
+{
+    public function up()
+    {
+        Schema::table('acars', function (Blueprint $table) {
+            $table->float('vs')->change()->default(0.0)->nullable();
+        });
+    }
+}