Add some very basic examples

examples/blank/main.go

@@ -0,0 +1,18 @@
+package main
+
+import "image"
+import "git.tebibyte.media/tomo/x"
+import "git.tebibyte.media/tomo/tomo"
+
+func main () {
+	tomo.Register(0, x.NewBackend)
+	err := tomo.Run(run)
+	if err != nil { panic(err) }
+}
+
+func run () {
+	window, err := tomo.NewWindow(image.Rect(0, 0, 200, 300))
+	if err != nil { panic(err) }
+	window.OnClose(tomo.Stop)
+	window.SetVisible(true)
+}

examples/text/main.go

@@ -0,0 +1,29 @@
+package main
+
+import "image"
+import "image/color"
+import "git.tebibyte.media/tomo/x"
+import "git.tebibyte.media/tomo/tomo"
+import "golang.org/x/image/font/basicfont"
+
+func main () {
+	tomo.Register(0, x.NewBackend)
+	err := tomo.Run(run)
+	if err != nil { panic(err) }
+}
+
+func run () {
+	window, err := tomo.NewWindow(image.Rectangle { })
+	if err != nil { panic(err) }
+
+	text := tomo.NewTextBox()
+	text.SetText("hello, world!")
+	text.SetTextColor(color.White)
+	text.SetColor(color.Black)
+	text.SetFace(basicfont.Face7x13)
+	text.SetPadding(tomo.I(8))
+	window.SetRoot(text)
+	
+	window.OnClose(tomo.Stop)
+	window.SetVisible(true)
+}