Included triggers into the schema

Author: Swapnamol

WebAPI/LearningHub.Nhs.Database/LearningHub.Nhs.Database.sqlproj

@@ -534,6 +534,7 @@
     <Build Include="Tables\Resource\ScormResourceReferenceEvent.sql" />
     <Build Include="Tables\Resource\ScormResourceReferenceEventType.sql" />
     <None Include="Scripts\Post-Deploy\Scripts\UpdateFileTypes.sql" />
+    <Build Include="Triggers\external\AddDigitalLearningSolutionsExternalSystem.sql" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Scripts\Pre-Deploy\Scripts\Card5766_AuthorTableChanges.PreDeployment.sql" />