Add unorm.d.ts header and unorm tests file

unorm/unorm-tests.ts

@@ -0,0 +1,11 @@
+/// <reference path="unorm.d.ts" />
+import unorm = require("unorm");
+
+function listNormalizations(raw: string) {
+  return [
+    unorm.nfd(raw),
+    unorm.nfkd(raw),
+    unorm.nfc(raw),
+    unorm.nfkc(raw),
+  ];
+}

unorm/unorm.d.ts

@@ -1,3 +1,8 @@
+// Type definitions for unorm 1.3.3
+// Project: https://github.com/walling/unorm
+// Definitions by: Christopher Brown <https://github.com/chbrown>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
 declare module unorm {
   interface Static {
     nfd(str: string): string;