add contributing info

CONTRIBUTING.md

@@ -0,0 +1,47 @@
+# Contributing
+
+## Issues
+
+Please provide a minimal, reproducible test-case.
+
+
+## Pull Requests
+
+Follow the instructions on the Pull Request Template (shown when you open a new PR) and make sure you've done the following:
+
+- [ ] Add & update tests
+- [ ] Update relevant documentation and/or examples
+
+
+## Setup
+
+This package uses [yarn](https://yarnpkg.com) for development dependency management. Ensure you have it installed before continuing.
+
+```sh
+yarn
+```
+
+## Running Tests
+
+**IMPORTANT** Before run tests, you should create a `qiniu.config.json` in `test` directory with the following example content:
+
+```json
+{
+  "accessKey": "<Your qiniu AccessKey>",
+  "secretKey": "<Your qiniu SecretKey>",
+  "bucket": "<Your qiniu bucket name>",
+  "baseURL": "<Your qiniu bucket baseURL>",
+  "zone": "<Qiniu upload zone>"
+}
+```
+
+```sh
+yarn test
+```
+
+
+## Building
+
+```sh
+yarn build
+```

README.md

@@ -115,26 +115,14 @@ Please checkout https://developer.qiniu.com/kodo/manual/1671/region-endpoint for
 - If you are looking for a react component, [tiny-qiniu-request](https://github.com/die-welle/tiny-qiniu-request) is a good helper
 
 
-## Testing
+## Contributing
 
-For more usage, please check the `./test` directory, or clone this repo and run `npm test` to start testing.
-
-**IMPORTANT** Before run `npm test`, you should create a `qiniu.config.json` on `test` directory with the following example content:
-
-```json
-{
-  "accessKey": "<Your qiniu AccessKey>",
-  "secretKey": "<Your qiniu SecretKey>",
-  "bucket": "<Your qiniu bucket name>",
-  "baseURL": "<Your qiniu bucket baseURL>",
-  "zone": "<Your qiniu save zone>"
-}
-```
+[Please checkout the contributing page](/CONTRIBUTING.md)
 
 
 ## ChangeLog
 
-[Please checkout the Releases page](/releases)
+[Please checkout the Releases page](https://github.com/die-welle/tiny-qiniu/releases)
 
 
 ## License