Update _sidebar.md

[ajaygoud2106]

Why:

Closes #2

What's being changed:

Check off the following:

• [x] For workflow changes, I have verified the Actions workflows function as expected.
• [x] For content changes, I have reviewed the style guide.

[Ebonsignori]

Outdated change https://github.com/skills/connect-the-dots/blob/main/docs/_sidebar.md?plain=1#L4