Add node modules and new code for release (#39)

Co-authored-by: tbarnes94 <tbarnes94@users.noreply.github.com>

node_modules/ts-jest/dist/util/exported.d.ts

@@ -0,0 +1,3 @@
+export { mocked } from './testing';
+export { createJestPreset } from '../config/create-jest-preset';
+export { pathsToModuleNameMapper } from '../config/paths-to-module-name-mapper';