Build fails due to old config of `twitter_simple` shortcode

[Sid]

Describe the bug
The "twitter_simple" shortcode, now requires two named parameters: user and id.
The example content needs to be updated to reflect this change.

Steps to reproduce
Steps to reproduce the behavior:
Use Hugo version 0.123.7 to preview/build the site (exampleSite).

Expected behavior
Tweets should be displayed without any error.

Device information
Any

Additional context
See the Netlify log corresponding to a failed deploy here.

[Sid]

This issue is a duplicate of #171. Please refer to #171 regarding this issue, since that it more informative.