Add encrypted Etsy app credential settings

database/seeders/EtsyAppCredentialSeeder.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\EtsyAppCredential;
+use Illuminate\Database\Seeder;
+
+class EtsyAppCredentialSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        $keystring = config('services.etsy.keystring');
+        $sharedSecret = config('services.etsy.shared_secret');
+
+        if (filled($keystring) && filled($sharedSecret)) {
+            if (EtsyAppCredential::find(1) === null) {
+                $credentials = new EtsyAppCredential;
+                $credentials->id = 1;
+                $credentials->keystring = $keystring;
+                $credentials->shared_secret = $sharedSecret;
+                $credentials->save();
+            }
+        }
+    }
+}