Updated documentation

Author: mrusme

README.md

@@ -1,6 +1,45 @@
 go-render
 =========
+[![godoc](http://img.shields.io/badge/godoc-reference-blue.svg?style=flat)](https://pkg.go.dev/github.com/mrusme/go-render) [![license](http://img.shields.io/badge/license-GPLv3-red.svg?style=flat)](https://raw.githubusercontent.com/mrusme/go-render/master/LICENSE)
+
 
 Tiny Go library for the 
 [Render API](https://api-docs.render.com/reference/introduction).
 
+
+## Installation
+
+```sh
+go get -u github.com/mrusme/go-render
+```
+
+
+## Getting Started
+
+
+### Querying Sites by Team ID
+
+```go
+package main
+
+import (
+  "log"
+  "encoding/json"
+  "github.com/mrusme/go-render"
+)
+
+func main() {
+  r := render.New("apiKeyHere")
+
+  services, err := r.ListServices()
+  if err != nil {
+    log.Panic(err)
+  }
+
+  for _, service := range services {
+    b, _ := json.MarshalIndent(service, "", "    ")
+    log.Printf("%s\n\n", string(b))
+  }
+}
+```
+