Markdown and ShaderMask controls (#160)

* Migrate to Go 1.19

* Updated app icons

* iOS and Android icons

* Update logo-inkscape.svg

* Fix #119 setting page.window_width/window_height not working on OSX

* Fix #149 File structure of "assets" directory should not be cached

* Display image from base64

* Close #150 page.launch_url() to open URL in the browser

* Close #153 Open GUI in WSL

* Markdown control draft

* Make parent always required

* Markdown control complete

* Container.on_hover added

* ShaderMask control

Author: FeodorFitsner

.appveyor.yml

@@ -9,7 +9,7 @@ skip_commits:
     - "*.md"
 
 environment:
-  GO_VERSION: 1.18.3
+  GO_VERSION: 1.19
   GO_TAGS: --tags release
   python_version: 3.10
   GITHUB_TOKEN:

client/android/app/src/main/res/mipmap-hdpi/ic_launcher.png

@@ -539,4 +539,4 @@
 /* End XCConfigurationList section */
 	};
 	rootObject = 97C146E61CF9000F007C117D /* Project object */;
-}
+}