increase test coverage (#117)

70% test coverage
remove socialite

app/Models/SourceControl.php

@@ -4,6 +4,7 @@
 
 use App\SourceControlProviders\SourceControlProvider;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 /**
  * @property string $provider
@@ -37,4 +38,9 @@ public function getRepo(?string $repo = null): ?array
     {
         return $this->provider()->getRepo($repo);
     }
+
+    public function sites(): HasMany
+    {
+        return $this->hasMany(Site::class);
+    }
 }