nostr package, readme updates accordingly, matching example program (#14)

connection.go

@@ -1,33 +0,0 @@
-package nostr
-
-import (
-	"github.com/gorilla/websocket"
-	"sync"
-)
-
-type Connection struct {
-	socket *websocket.Conn
-	mutex  sync.Mutex
-}
-
-func NewConnection(socket *websocket.Conn) *Connection {
-	return &Connection{
-		socket: socket,
-	}
-}
-
-func (c *Connection) WriteJSON(v interface{}) error {
-	c.mutex.Lock()
-	defer c.mutex.Unlock()
-	return c.socket.WriteJSON(v)
-}
-
-func (c *Connection) WriteMessage(messageType int, data []byte) error {
-	c.mutex.Lock()
-	defer c.mutex.Unlock()
-	return c.socket.WriteMessage(messageType, data)
-}
-
-func (c *Connection) Close() error {
-	return c.socket.Close()
-}