Add Multi Playground Link to GH-Pages (scratchfoundation#767)

TheBrokenRail · thisandagain · commit e2ab2dca0da1 · 2017-01-12T20:28:28.000-05:00
diff --git a/gh-pages/index.md b/gh-pages/index.md
@@ -1,2 +1,3 @@
 * [Vertical Playground](playgrounds/tests/vertical_playground.html)
 * [Horizontal Playground](playgrounds/tests/horizontal_playground.html)
+* [Multi Playground](playgrounds/tests/multi_playground.html)

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,3 @@`
`1`	`1`	`* [Vertical Playground](playgrounds/tests/vertical_playground.html)`
`2`	`2`	`* [Horizontal Playground](playgrounds/tests/horizontal_playground.html)`
	`3`	`+* [Multi Playground](playgrounds/tests/multi_playground.html)`