Added a "Resources" section

[Vinicius-Targa]

In this section, use external links to redirect the user to a page that contains specific information about examples of divide and conquer algorithms

• I have read freeCodeCamp's contribution guidelines.
• My pull request has a descriptive title (not a vague title like Update index.md)
• My pull request targets the master branch of freeCodeCamp.
• None of my changes are plagiarized from another source without proper attribution.
• My article does not contain shortened URLs or affiliate links.

If your pull request closes a GitHub issue, replace the XXXXX below with the issue number.

Closes #XXXXX

[RandellDawson]

Closed and Reopened this PR to attempt to resolve a specific Travis build failure.

[cmccormack]

Thank you for your contribution. At this time we have decided not to merge your pull request. We welcome future pull requests from you.

Reason:

We won't accept a PR that only adds links to the More Information or References section.

Please reference how to work on guide articles when submitting new PRs for guide updates.

Happy Coding!