fix(docs): fix broken docs test after addition of .ts extension to dgeni

regex.

Author: jelbourn

docs/dgeni-package/readers/atScript.spec.js

@@ -33,7 +33,7 @@ describe('atScript file reader', function() {
 
 
  it('should provide a default pattern', function() {
- expect(reader.defaultPattern).toEqual(/\.js|\.es6$/);
+ expect(reader.defaultPattern).toEqual(/\.js|\.es6|\.ts$/);
  });
 
 
@@ -52,4 +52,4 @@ describe('atScript file reader', function() {
  expect(docs[0].docType).toEqual('module');
  });
 
-});
+});