docs: Update README (#18)

* Update Readme.md

* Add integration test badge to readme

* Integration test badge fix

Co-authored-by: Xuanwo <[email protected]>

README.md

@@ -1,6 +1,41 @@
-## go-service-storj
+[![Build Status](https://github.com/beyondstorage/go-service-storj/workflows/Unit%20Test/badge.svg?branch=master)](https://github.com/beyondstorage/go-service-storj/actions?query=workflow%3A%22Unit+Test%22)
+[![Integration Tests](https://teamcity.beyondstorage.io/app/rest/builds/buildType:(id:Services_Storj_IntegrationTest)/statusIcon)](https://teamcity.beyondstorage.io/buildConfiguration/Services_Storj_IntegrationTest)
+[![License](https://img.shields.io/badge/license-apache%20v2-blue.svg)](https://github.com/Xuanwo/storage/blob/master/LICENSE)
+[![](https://img.shields.io/matrix/beyondstorage@go-storage:matrix.org.svg?logo=matrix)](https://matrix.to/#/#beyondstorage@go-storage:matrix.org)
+
+# go-service-storj
 
 [Storj DCS] (Decentralized Cloud Storage) support for [go-storage].
 
 [Storj DCS]: https://www.storj.io
-[go-storage]: https://github.com/beyondstorage/go-storage
+[go-storage]: https://github.com/beyondstorage/go-storage
+
+## Install
+
+```go
+go get github.com/beyondstorage/go-service-storj
+```
+
+## Usage
+
+```go
+import (
+	"log"
+
+	_ "github.com/beyondstorage/go-service-storj"
+	"github.com/beyondstorage/go-storage/v4/services"
+)
+
+func main() {
+	store, err := services.NewStoragerFromString("storj://bucket_name/path/to/workdir")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Write data from io.Reader into hello.txt
+	n, err := store.Write("hello.txt", r, length)
+}
+```
+
+- See more examples in [go-storage-example](https://github.com/beyondstorage/go-storage-example).
+- Read [more docs](https://beyondstorage.io/docs/go-storage/services/storj) about go-service-storj.