Refactor action to typescript (#226)

* Refactor to typescript (config part)

* Refactor to typescript (convert extensions, minor fixes)

* Refactor to typescript (move from `action` to `dist`)

* Re-enable integrity-check for dist index.js

* Fix all tests and lints

* fix parsing major versions

* Test patch level to be digits only

* debug

* debug

* uncache

* manual compile

* debug

* debug

* Debug

* Build lib - doh

* remove diff check

* Make kubernetes workflow manual

* Properly generate 3 digit for simple major tags

* Remove ts-ignore

* re-enable cache

dist/default-build-script/Assets/Editor/Versioning/VersionApplicator.cs

@@ -0,0 +1,27 @@
+using System;
+using UnityEditor;
+
+namespace UnityBuilderAction.Versioning
+{
+  public class VersionApplicator
+  {
+    public static void SetVersion(string version)
+    {
+      if (version == "none") {
+        return;
+      }
+
+      Apply(version);
+    }
+
+    public static void SetAndroidVersionCode(string androidVersionCode) {
+      PlayerSettings.Android.bundleVersionCode = Int32.Parse(androidVersionCode);
+    }
+
+    static void Apply(string version)
+    {
+      PlayerSettings.bundleVersion = version;
+      PlayerSettings.macOS.buildNumber = version;
+    }
+  }
+}