Update forc_index_new.rs docs

[Kingjaayyy]

Release notes

In this release, we:

• Edited the name of the social network (x) formally (twitter)

Summary

• Recent development of the social platform (twitter) formally known as (x) has given developers
  and project mangers the concern of updating their social platform handles for clarity and
  save ampule time in the future where twitter.com might phaseout.

Checklist

• All changes are covered by tests
• All changes are documented