add select2 to deps

public/vendor/select2/docs/css/s2-docs.scss

@@ -0,0 +1,24 @@
+---
+---
+
+@import "vendor/bootstrap/variables";
+
+@import "result-repository";
+@import "sidenav";
+@import "hamburger";
+@import "code";
+@import "featurette";
+@import "layout";
+@import "nav";
+@import "footer";
+@import "alert";
+@import "home";
+@import "examples";
+@import "social";
+@import "buttons";
+@import "anchorjs";
+@import "jumbotron";
+@import "prettify";
+@import "syntax-highlighting";
+@import "typography";
+@import "dl-panels";