move config to investbrain keyspace

.env.example

@@ -6,6 +6,7 @@ APP_TIMEZONE=UTC
 APP_URL=http://localhost
 ASSET_URL="${APP_URL}"
 APP_PORT=8000
+SELF_HOSTED=true
 
 APP_LOCALE=en
 APP_FALLBACK_LOCALE=en

app/Models/MarketData.php

@@ -60,7 +60,7 @@ class MarketData extends Model
         if (
             !$market_data->exists
             || is_null($market_data->updated_at)
-            || $market_data->updated_at->diffInMinutes(now()) >= config('market_data.refresh')
+            || $market_data->updated_at->diffInMinutes(now()) >= config('investbrain.refresh')
         ) {
             
             // get quote

app/Providers/AppServiceProvider.php

@@ -13,8 +13,8 @@ class AppServiceProvider extends ServiceProvider
     {
         
         $market_data = config(
-            "market_data." . 
-            config('market_data.default', 'yahoo')
+            "investbrain." . 
+            config('investbrain.default', 'yahoo')
         );
 
         $this->app->bind(

config/investbrain.php

@@ -9,4 +9,6 @@ return [
     'yahoo' => App\Interfaces\MarketData\YahooMarketData::class,
     'alphavantage' => App\Interfaces\MarketData\AlphaVantageMarketData::class,
     'fake' => App\Interfaces\MarketData\FakeMarketData::class,
+
+    'self_hosted' => env('SELF_HOSTED', true)
 ];