update readme

Author: liudonghua123

.github/images/linux.png

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+MIT License
+
+Copyright (c) 2023 liudonghua
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

.github/images/macos.png

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-# Tauri + Vanilla TS
+# scratch-app 
 
-This template should help get you started developing with Tauri in vanilla HTML, CSS and Typescript.
+This is scratch app which wrap [scratch-gui](https://github.com/scratchfoundation/scratch-gui) using [Tauri](https://tauri.studio/). 
 
-## Recommended IDE Setup
+[![build](https://github.com/liudonghua123/scratch-app/actions/workflows/build.yml/badge.svg)](https://github.com/liudonghua123/scratch-app/actions/workflows/build.yml)
 
-- [VS Code](https://code.visualstudio.com/) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)
+## Downloads
+
+Current version: 3.0.27.
+
+<style>
+tr td:first-child {
+  text-align: center;
+}
+</style>
+
+<table class="is-fullwidth">
+</thead>
+<tbody>
+</tbody>
+  <tr>
+    <td>
+      <img src="./.github/images/windows.png" width="24"><br />
+      Windows
+    </td>
+    <td>
+      <span>64-bit</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-windows-3.0.27_x64.exe">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-windows-3.0.27_x64.msi">
+        💿 MSI Installer
+      </a><br />
+      <span>32-bit</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-windows-3.0.27_x86.exe">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-windows-3.0.27_x86.msi">
+        💿 MSI Installer
+      </a><br />
+      <span>
+        ❓ Don't know what kind of chip you have? Hit start, enter "processor" for info.
+      </span>
+    </td>
+  </tr>
+  <tr>
+    <td>
+      <img src="./.github/images/macos.png" width="24"><br />
+      macOS
+    </td>
+    <td>
+      <span>Intel Processor</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_x64">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_x64.dmg">
+        💿 DMG bundle
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_x64.app.zip">
+        💿 APP bundle
+      </a><br />
+      <span>Apple M1 Processor</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_aarch64">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_aarch64.dmg">
+        💿 DMG bundle
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-macos-3.0.27_aarch64.app.zip">
+        💿 APP bundle
+      </a><br />
+      <span>
+        ❓ Don't know what kind of chip you have? Learn more at <a href="https://support.apple.com/en-us/HT211814">apple.com</a>.
+      </span>
+    </td>
+  </tr>
+  <tr>
+    <td>
+      <img src="./.github/images/linux.png" width="24"><br />
+      Linux
+    </td>
+    <td>
+      <span>64-bit</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_amd64">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_amd64.AppImage">
+        💿 AppImage bundle
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_amd64.deb">
+        💿 DEB bundle
+      </a><br />
+      <span>32-bit</span>
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_i386">
+        📦 Executable
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_i386.AppImage">
+        💿 AppImage bundle
+      </a> |
+      <a href="https://github.com/liudonghua123/scratch-app/releases/latest/download/scratch-app-linux-3.0.27_i386.deb">
+        💿 DEB bundle
+      </a>
+    </td>
+  </tr>
+</table>
+
+<hr />
+
+![Screenshot](./.github/images/preview.png)
+
+## Does it work?
+
+Yes! Quite well, actually - on macOS, Windows, and Linux.
+
+## Credits
+
+99% of the work was done over at [scratch-gui](https://github.com/scratchfoundation/scratch-gui).
+
+## License
+
+MIT License
+
+Copyright (c) 2023 liudonghua