docs: add link for themer to readme (#1740)

README.md

@@ -14,6 +14,8 @@ A set of flexible, highly practical, and efficient React components for creating
 
 ### ![Figma Logo Light](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/figma_light.svg#gh-light-mode-only) ![Figma Logo Dark](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/figma_dark.svg#gh-dark-mode-only) [Figma](<https://www.figma.com/community/file/1271150067798118027/Gravity-UI-Design-System-(Beta)>)
 
+### ![Themer Logo Light](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/bucket-paint_light.svg#gh-light-mode-only) ![Themer Logo Dark](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/bucket-paint_dark.svg#gh-dark-mode-only) [Themer](https://gravity-ui.com/themer)
+
 ### ![Storybook Logo Light](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/storybook_light.svg#gh-light-mode-only) ![Storybook Logo Dark](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/storybook_dark.svg#gh-dark-mode-only) [Storybook](https://preview.gravity-ui.com/uikit/)
 
 ### ![Community Logo Light](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/telegram_light.svg#gh-light-mode-only) ![Community Logo Dark](https://raw.githubusercontent.com/gravity-ui/uikit/main/docs/assets/telegram_dark.svg#gh-dark-mode-only) [Community](https://t.me/gravity_ui)