Set up release workflow

.github/workflows/build.yml

@@ -3,3 +3,24 @@ on: [push, pull_request, workflow_dispatch]
 jobs:
   build:
     uses: zmkfirmware/zmk/.github/workflows/build-user-config.yml@main
+
+  release:
+    if: ${{ startsWith(github.ref, 'refs/tags/') }}
+    needs: build
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: firmware
+          path: firmware
+
+      - name: Publish release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file: firmware/*.bin
+          file_glob: true
+          tag: ${{ github.ref }}
+          repo_token: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -10,7 +10,8 @@ zmk-config for Xikii HW-75 (瀚文 75)
 ## 烧录 (针对一般用户)
 
 1. 请确保已经在 HW-75 中烧入了 DFU bootloader。详见[这篇文章](https://github.com/peng-zhihui/HelloWord-Keyboard/discussions/77)；
-2. 按住键盘的 Fn 键插入 USB，打开 [WebDFU](https://devanlai.github.io/webdfu/dfu-util/) 选择固件进行烧录。
+2. 从 [Releases](https://github.com/xingrz/zmk-config_xikii_hw-75/releases) 下载最新的固件；
+3. 按住键盘的 Fn 键插入 USB，打开 [WebDFU](https://devanlai.github.io/webdfu/dfu-util/) 选择固件进行烧录。
 
 ## 快速定制