feat: add twelve data market data provider

config/investbrain.php

@@ -13,6 +13,7 @@ return [
         'alphavantage' => App\Interfaces\MarketData\AlphaVantageMarketData::class,
         'alpaca' => App\Interfaces\MarketData\AlpacaMarketData::class,
         'finnhub' => App\Interfaces\MarketData\FinnhubMarketData::class,
+        'twelvedata' => App\Interfaces\MarketData\TwelveDataMarketData::class,
         'fake' => App\Interfaces\MarketData\FakeMarketData::class,
     ],
 

config/twelvedata.php

@@ -0,0 +1,7 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'secret' => env('TWELVEDATA_API_SECRET'),
+];