jwt-decode definition file added

jwt-decode/jwt-decode.d.ts

@@ -0,0 +1,16 @@
+// Type definitions for jwt-decode v1.4.0
+// Project: https://github.com/auth0/jwt-decode
+// Definitions by: Giedrius Grabauskas <https://github.com/QuatroDevOfficial/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+
+declare module JwtDecode {
+    interface JwtDecodeStatic {
+        (token: string): any;
+    }
+}
+
+declare module 'jwt-decode' {
+    var jwtDecode: JwtDecode.JwtDecodeStatic;
+    export = jwtDecode;
+}