Add bin and edit workflow

bin/gems/kramdown-2.5.2/test/testcases/span/05_html/button.text

@@ -0,0 +1,7 @@
+<button>Some Text</button>
+
+First some text and then a <button>here</button>
+
+<button>A button</button> and then text.
+
+A <button>with **some** `code` in ![alt](image.png)</button> it.