update readme

Author: claytercek

README.md

@@ -1,11 +1,27 @@
-# GitHub's Zed themes
+# GitHub Zed Themes
 
-Project inspired on [GitHub's VS Code theme](https://github.com/primer/github-vscode-theme).
+Project inspired on [GitHub's VS Code theme](https://github.com/primer/github-vscode-theme). Generated from [Primer's Primitives](https://primer.style/primitives/).
+
+### Light
 
 ![Light Theme](./art/light.png)
 
+### Light High Contrast
+
+![Light High Contrast Theme](./art/light_contrast.png)
+
+### Dark
+
 ![Dark Theme](./art/dark.png)
 
+### Dark Dimmed
+
+![Dark Dimmed Theme](./art/dark_dimmed.png)
+
+### Dark High Contrast
+
+![Dark High Contrast Theme](./art/dark_contrast.png)
+
 ## Installation
 
 1. Open `Command Palette`