Add support for username in URL (#22)

test.js

@@ -124,10 +124,14 @@ test('skips URLs preceded by a `+` sign', t => {
 	t.is(m(fixture), fixture);
 });
 
-test.failing('supports username in url', t => {
+test('supports username in url', t => {
 	t.is(m('https://user@sindresorhus.com/@foo'), '<a href="https://user@sindresorhus.com/@foo">https://user@sindresorhus.com/@foo</a>');
 });
 
+test('supports a URL with a subdomain', t => {
+	t.is(m('http://docs.google.com'), '<a href="http://docs.google.com">http://docs.google.com</a>');
+});
+
 test('skips email addresses', t => {
 	t.is(m('sindre@example.com'), 'sindre@example.com');
 	t.is(m('www.sindre@example.com'), 'www.sindre@example.com');