Adds classnames flow types

Author: jonthomp

.flowconfig

@@ -3,6 +3,7 @@
 [include]
 
 [libs]
+./flow-typed
 
 [lints]
 

flow-typed/npm/classnames_v2.x.x.js

@@ -0,0 +1,23 @@
+// flow-typed signature: cf86673cc32d185bdab1d2ea90578d37
+// flow-typed version: 614bf49aa8/classnames_v2.x.x/flow_>=v0.25.x
+
+type $npm$classnames$Classes =
+  | string
+  | { [className: string]: * }
+  | false
+  | void
+  | null;
+
+declare module "classnames" {
+  declare module.exports: (
+    ...classes: Array<$npm$classnames$Classes | $npm$classnames$Classes[]>
+  ) => string;
+}
+
+declare module "classnames/bind" {
+  declare module.exports: $Exports<"classnames">;
+}
+
+declare module "classnames/dedupe" {
+  declare module.exports: $Exports<"classnames">;
+}