refactor out a pattern for adding other commands

added dance, shrug.

cmd/dance/main.go

@@ -0,0 +1,29 @@
+package main
+
+import "mcquay.me/yay"
+
+type Dance struct {
+	yay.Sequence
+}
+
+func NewDance() *Dance {
+	d := &Dance{
+		yay.Sequence{
+			Frames: [][]rune{
+				[]rune(`<('o'<)  `),
+				[]rune(`  ('-')  `),
+				[]rune(`  (>'o')>`),
+				[]rune(`  ('-')  `),
+				[]rune(`  ('-')  `),
+				[]rune(`  ('-')  `),
+				[]rune(`  (>'o')>`),
+			},
+		},
+	}
+	return d
+}
+
+func main() {
+	t := yay.NewViewPort(NewDance())
+	t.Run()
+}