Updated git ignore and included SDK files

Author: oblm

.gitignore

@@ -5,3 +5,10 @@ build/
 logs/
 workers/unity/external-default-unityclient.log
 /.improbable
+workers/unity/Assets/Plugins/Improbable/Editor/Generated/
+workers/unity/Assets/Plugins/Improbable/Editor/Generated.meta
+workers/unity/Assets/Plugins/Improbable/Generated/
+workers/unity/Assets/Plugins/Improbable/Generated.meta
+workers/unity/Assets/Plugins/Improbable/EntityPrefabs/
+workers/unity/Assets/Plugins/Improbable/EntityPrefabs.meta
+workers/unity/Assets/Plugins/Improbable/Sdk/Dll/Generated.Code.*

workers/unity/.gitignore

@@ -11,7 +11,6 @@ Assets/Gamelogic/Generated.meta
 Assembly-CSharp-Editor.csproj
 Assembly-CSharp-firstpass.csproj
 Assembly-CSharp.csproj
-spatialos.*.build.json
 *.log
 
 # Standard Unity Ignores

workers/unity/Assets/Plugins/Improbable.meta

@@ -0,0 +1,10 @@
+// Copyright (c) Improbable Worlds Ltd, All Rights Reserved
+
+namespace Improbable.Unity.MinimalBuildSystem.Configuration
+{
+    public enum BuildEnvironment
+    {
+        Local,
+        Cloud
+    }
+}

workers/unity/Assets/Plugins/Improbable/.Modules/MinimalBuildSystem.meta

@@ -0,0 +1,17 @@
+// Copyright (c) Improbable Worlds Ltd, All Rights Reserved
+
+using System;
+using UnityEditor;
+
+namespace Improbable.Unity.MinimalBuildSystem.Configuration
+{
+    [Serializable]
+    public class BuildEnvironmentConfig
+    {
+        public SpatialBuildPlatforms BuildPlatforms = SpatialBuildPlatforms.Current;
+        public BuildOptions BuildOptions = 0;
+
+        [NonSerialized] public bool ShowBuildOptions = true;
+        [NonSerialized] public bool ShowBuildPlatforms = true;
+    }
+}