bug(e2e): add e2e-spec to npm run e2e script (#104)

Closes #102

Author: jordanpowell88

e2e/jest.config.js

@@ -2,7 +2,7 @@ module.exports = {
     moduleFileExtensions: ['js', 'json', 'ts'],
     rootDir: '.',
     testEnvironment: 'node',
-    testMatch: ['**/+(*.)+(spec|test).+(ts|js)?(x)'],
+    testMatch: ['**/+(*.)+(spec|test|e2e-spec).+(ts|js)?(x)'],
     transform: {
         '^.+\\.(ts|js|html)$' : 'ts-jest',
     },