Add type definitions for TypeScript users (#74)

lib/url-join.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Join all arguments together and normalize the resulting url.
+ * This works similar to `path.join` but you shouldn't use `path.join` for urls since it works
+ * differently depending on the operating system and also doesn't work for some cases.
+ */
+declare function urlJoin(...parts: string[]): string;
+declare function urlJoin(parts: string[]): string;
+
+export = urlJoin;

package.json

@@ -3,6 +3,7 @@
   "version": "4.0.1",
   "description": "Join urls and normalize as in path.join.",
   "main": "lib/url-join.js",
+  "types": "lib/url-join.d.ts",
   "scripts": {
     "test": "mocha --require should"
   },