update readme

Author: Lightning

README.md

@@ -1,5 +1,30 @@
 # go-privnote
 
+go-privnote is a Go client library for creating and reading notes on [Privnote](https://privnote.com/). It bypasses Cloudflare bot detection by using a [TLS client](https://github.com/bogdanfinn/tls-client) for TLS fingerprinting.
+
 [![Reference](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/LightningDev1/go-privnote)
 [![Linter](https://goreportcard.com/badge/github.com/LightningDev1/go-privnote?style=flat-square)](https://goreportcard.com/report/github.com/LightningDev1/go-privnote)
-[![Build status](https://github.com/LightningDev1/go-privnote/actions/workflows/ci.yml/badge.svg)](https://github.com/LightningDev1/go-privnote/actions)
+[![Build status](https://github.com/LightningDev1/go-privnote/actions/workflows/ci.yml/badge.svg)](https://github.com/LightningDev1/go-privnote/actions)
+
+```go
+client := privnote.NewClient()
+
+noteLink, err := client.CreateNote(privnote.CreateNoteData{
+    Data: "Hello, World!",
+})
+
+noteContent, err := client.ReadNoteFromLink("https://privnote.com/note-id#password")
+
+noteContent, err := client.ReadNoteFromID("note-id", "password")
+```
+
+## Installation
+
+```bash
+go get github.com/LightningDev1/go-privnote
+```
+
+## Usage
+
+See [example/main.go](./example/main.go) for a complete example program.
+