[documentation] Add components (button) and color information

Also-by: kprokopenko, petermueller
Bug: 357513556
Change-Id: Ie42336076e57c75737c3477c97fc210705d9cd01
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/5737516
Auto-Submit: Kim-Anh Tran <[email protected]>
Reviewed-by: Peter Müller <[email protected]>
Commit-Queue: Peter Müller <[email protected]>
diff --git a/docs/styleguide/ux/styleguide.md b/docs/styleguide/ux/styleguide.md
new file mode 100644
index 0000000..a01f94d
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+# How to style UI
+
+## Table of contents
+
+*   [Styles](styles.md)
+*   [Components](components.md)
+
+## Resources
+* [Chrome DevTools Design Kit, Figma](https://www.figma.com/design/A5iQBBNAe5zPFpJvUzUgW8/CDT-design-kit)