feat: Implement public event and photo API

app/Models/Tenant.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 
 class Tenant extends Model
 {
@@ -18,4 +19,16 @@ class Tenant extends Model
     {
         return $this->hasMany(Event::class);
     }
+
+    public function photos(): HasManyThrough
+    {
+        return $this->hasManyThrough(
+            Photo::class,
+            Event::class,
+            'tenant_id', // Foreign key on events table...
+            'event_id',  // Foreign key on photos table...
+            'id',        // Local key on tenants table...
+            'id'         // Local key on events table...
+        );
+    }
 }