project_urls=OrderedDict((
        ('Documentation', 'http://flask.pocoo.org/docs/'),
        ('Code', 'https://github.com/pallets/flask'),
        ('Issue tracker', 'https://github.com/pallets/flask/issues'),
)),

    project_urls={
        'Documentation': 'https://docs.djangoproject.com/',
        'Funding': 'https://www.djangoproject.com/fundraising/',
        'Source': 'https://github.com/django/django',
        'Tracker': 'https://code.djangoproject.com/',
},

project_urls
    An arbitrary map of URL names to hyperlinks, allowing more extensible documentation
    of where various resources can be found than the simple url and download_url options
    provide.

    project_urls={
        "Bug Tracker": "https://bugs.example.com/HelloWorld/",
        "Documentation": "https://docs.example.com/HelloWorld/",
        "Source Code": "https://code.example.com/HelloWorld/",
    }