lowercase folder name

Exchange/ExchangeAPI.js

@@ -33,7 +33,7 @@
 
             let botExchange = 'Poloniex';
             let exchange = botExchange.toLowerCase() + 'Client.js';
-            let api = require('./Wrappers/' + exchange);
+            let api = require('./wrappers/' + exchange);
 
             let keyVaultAPI = createKeyVaultAPIClient()
             apiClient = api.newAPIClient(keyVaultAPI, logger);

Project.njsproj

@@ -91,7 +91,7 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Exchange\" />
-    <Folder Include="Exchange\Wrappers\" />
+    <Folder Include="Exchange\wrappers\" />
     <Folder Include="Integrations\" />
     <Folder Include="utils\" />
   </ItemGroup>