GitHub version.

Author: BB9z

.github/workflows/spm.yml

@@ -0,0 +1,13 @@
+name: Swift
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: swift build
+    - name: Test
+      run: swift test

README.md

@@ -6,24 +6,14 @@
 [![gitee 镜像](https://img.shields.io/badge/%E9%95%9C%E5%83%8F-gitee-C61E22.svg?style=flat-square)](https://gitee.com/b9swift/AssociatedObject)
 [![GitHub Source](https://img.shields.io/badge/Source-GitHub-24292F.svg?style=flat-square)](https://github.com/b9swift/AssociatedObject)
 
-Objective-C associated object 的 Swift 封装。
-
 Objective-C associated value wrapper.
 
-## 集成
-
-使用 Swift Package Manager 或手工导入。
-
-You can also use [GitHub source](https://github.com/b9swift/AssociatedObject).
-
 ## Installation
 
 Using Swift Package Manager or import manually.
 
 你也可以使用 [gitee 镜像](https://gitee.com/b9swift/AssociatedObject)。
 
-## 使用
-
 ## Usage
 
 ```swift