Use CommonJS syntax in Jest config (#96) (#100)

Author: mattfsourcecode

jest.config.js

@@ -1,5 +1,5 @@
 /** @type {import('jest').Config} */
-export default {
+module.exports = {
   preset: "ts-jest",
   testEnvironment: "node",
   testMatch: ["**/__tests__/**/*.ts", "**/?(*.)+(spec|test).ts"],