feat: Implement chat functionality

app/Models/Dynamic.php

@@ -7,6 +7,7 @@ use Illuminate\Database\Eloquent\Model;
 
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 
 class Dynamic extends Model
 {
@@ -27,4 +28,16 @@ class Dynamic extends Model
     {
         return $this->hasMany(Ledger::class);
     }
+
+    public function chat(): MorphOne
+    {
+        return $this->morphOne(Chat::class, 'chatable');
+    }
+
+    protected static function booted(): void
+    {
+        static::created(function (Dynamic $dynamic) {
+            $dynamic->chat()->create([]);
+        });
+    }
 }