fix(tokens): Export injection tokens (#810)

fixes #805

Author: christopherthielen

src/index.ts

@@ -1,10 +1,11 @@
+export * from './directives/directives';
+export * from './injectionTokens';
 export * from './interface';
+export * from './lazyLoad/lazyLoadNgModule';
 export * from './providers';
-export * from './uiRouterNgModule';
-export * from './uiRouterConfig';
-export * from './directives/directives';
-export * from './statebuilders/views';
 export * from './statebuilders/lazyLoad';
-export * from './lazyLoad/lazyLoadNgModule';
+export * from './statebuilders/views';
+export * from './uiRouterConfig';
+export * from './uiRouterNgModule';
 
 export * from '@uirouter/core';