Fix more typos in examples (#102)

examples/glamour/main.go

@@ -109,7 +109,7 @@ func (e example) helpView() string {
 func main() {
 	model, err := newExample()
 	if err != nil {
-		fmt.Println("Could not intialize Bubble Tea model:", err)
+		fmt.Println("Could not initialize Bubble Tea model:", err)
 		os.Exit(1)
 	}
 

examples/realtime/main.go

@@ -20,7 +20,7 @@ type responseMsg struct{}
 // Simulate a process that sends events at an irregular interval in real time.
 // In this case, we'll send events on the channel at a random interval between
 // 100 to 1000 milliseconds. As a command, Bubble Tea will run this
-// asyncronously.
+// asynchronously.
 func listenForActivity(sub chan struct{}) tea.Cmd {
 	return func() tea.Msg {
 		for {

examples/simple/main.go

@@ -41,7 +41,7 @@ func (m model) Init() tea.Cmd {
 
 // Update is called when messages are received. The idea is that you inspect the
 // message and send back an updated model accordingly. You can also return
-// a command, which is a function that peforms I/O and returns a message.
+// a command, which is a function that performs I/O and returns a message.
 func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	switch msg.(type) {
 	case tea.KeyMsg: