Add license scan report and status (#12)

README.md

@@ -8,6 +8,7 @@
 [![Maintainability](https://api.codeclimate.com/v1/badges/5b70576957b8af88de6e/maintainability)](https://codeclimate.com/github/viney-shih/go-cache/maintainability)
 [![Sourcegraph](https://sourcegraph.com/github.com/viney-shih/go-cache/-/badge.svg)](https://sourcegraph.com/github.com/viney-shih/go-cache?badge)
 [![License](http:https://img.shields.io/badge/License-Apache_2-red.svg?style=flat)](http:https://www.apache.org/licenses/LICENSE-2.0)
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fviney-shih%2Fgo-cache.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fviney-shih%2Fgo-cache?ref=badge_shield)
 
 <p align="center">
  <img src="assets/logo.png" title="viney-shih/go-cache" />
@@ -238,3 +239,6 @@ func ExampleService_Create_mGetter() {
 
 ## License
 [Apache-2.0](https://opensource.org/licenses/Apache-2.0)
+
+
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fviney-shih%2Fgo-cache.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2Fviney-shih%2Fgo-cache?ref=badge_large)