Rename the files

tests/app/ui/button/button.md

@@ -0,0 +1,31 @@
+---
+nav-title: "button How-To"
+title: "button"
+description: "Examples for using button"
+previous_url: /ApiReference/ui/button/HOW-TO
+---
+# Button
+### Declaring button module
+Button module is required to use any button feature.
+<snippet id='button-require'/>
+
+Other frequently used modules when working with buttons include:
+<snippet id='button-require-others'/>
+
+### Attaching event handler for the button tap event.
+``` XML
+<Page>
+  <Button tap="buttonTap" />
+</Page>
+```
+### Creating a button
+<snippet id='button-create'/>
+
+### Setting the text of a button
+<snippet id='button-settext'/>
+
+### Responding to the tap event
+<snippet id='button-tap'/>
+
+### Binding text property directly to model
+<snippet id='button-bind'/>