Add README file

Author: jerray

LICENSE

@@ -0,0 +1,22 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2019 Jerray
+
+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.

README.md

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 # Setup Aliyun CLI Action
+
+[![GitHub Action](https://github.com/jerray/setup-aliyun-cli-action/workflows/Main/badge.svg)](https://github.com/jerray/setup-aliyun-cli-action/actions?workflow=Main)
+
+This action installs and configures [Aliyun command line tool](https://github.com/aliyun/aliyun-cli) for use in your GitHub
+Action steps.
+
+## Usage
+
+```yaml
+steps:
+- uses: actions/checkout@v1
+- uses: jerray/setup-aliyun-cli-action@v1.0.0
+  with:
+    aliyun-cli-version: '3.0.29'
+    mode: AK
+    access-key-id: ${{ secrets.ALIYUN_ACCESS_KEY_ID }}
+    access-key-secret: ${{ secrets.ALIYUN_ACCESS_KEY_SECRET }}
+    region: ${{ secrets.ALIYUN_REGION }}
+- run: aliyun oss cp ./dir oss://backet/path -r -u
+```
+
+Use `aliyun.exe` if job runs on Windows.
+
+## License
+
+MIT

action.yml

@@ -1,5 +1,5 @@
 name: 'Setup Aliyun CLI'
-description: 'Setup Aliyun commandline tool, add it to the PATH and configure authentication'
+description: 'Setup Aliyun command line tool, add it to the PATH and configure authentication'
 inputs:
   aliyun-cli-version:
     description: 'Version of aliyun cli'
@@ -23,5 +23,3 @@ inputs:
 runs:
   using: 'node12'
   main: 'index.js'
-
-