Broken link to Contributing Guidelines in README.md

[coryfink]

Describe the bug

To Reproduce

Steps to reproduce the behavior:
Update the below:
Change

1. Make sure contributors are respecting the (https://github.com/anitab-org/anitab-org.github.io/blob/develop/CONTRIBUTING.md). If they don't let them know about it: what is missing, what was disrespected?

to

2. Make sure contributors are respecting the (https://github.com/anitab-org/documentation/blob/master/ways-to-contribute.md). If they don't let them know about it: what is missing, what was disrespected?

Expected behavior

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context