docs: Add qrcode vhs tape

Author: joshka

tui-qrcode/examples/qrcode.tape

@@ -0,0 +1,13 @@
+# A VHS tape. See https://github.com/charmbracelet/vhs
+Output "target/card.gif"
+Set Theme "Aardvark Blue"
+Set Width 600
+Set Height 600
+Hide
+Type "cargo run -p tui-qrcode --example qrcode" Enter
+Sleep 2s
+Show
+Screenshot "target/qrcode.png"
+Sleep 1s
+Hide
+Type "q"