added hotreload

Packages/com.singularitygroup.hotreload/Editor/PlayerBuild/PostbuildSendProjectState.cs

@@ -0,0 +1,26 @@
+using System;
+using SingularityGroup.HotReload.Editor.Cli;
+using UnityEditor;
+using UnityEditor.Build;
+
+namespace SingularityGroup.HotReload.Editor {
+#pragma warning disable CS0618
+    class PostbuildSendProjectState : IPostprocessBuild {
+#pragma warning restore CS0618
+        public int callbackOrder => 9999;
+        public void OnPostprocessBuild(BuildTarget target, string path) {
+            try {
+                if (!HotReloadBuildHelper.IncludeInThisBuild()) {
+                    return;
+                }
+                // after build passes, need to send again because EditorApplication.delayCall isn't called.
+                var buildInfo = BuildInfoHelper.GenerateBuildInfoMainThread();
+                HotReloadCli.PrepareBuildInfo(buildInfo);
+            } catch (BuildFailedException) {
+                throw;
+            } catch (Exception e) {
+                throw new BuildFailedException(e);
+            }
+        }
+    }
+}