IMEI device API: telemetry, commands, receipts + migrations and routing

app/Models/CommandReceipt.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class CommandReceipt extends Model
+{
+    protected $fillable = [
+        'command_id','device_id','acked_at','executed_at','result','result_detail',
+    ];
+
+    protected $casts = [
+        'acked_at' => 'datetime',
+        'executed_at' => 'datetime',
+    ];
+}