feat: add 404 page

[gbowne1]

Prerequisites

• [X] I have read the Contributing Guidelines
• [X] I agree to follow the [Code of Conduct]().
• [X] I have searched for [existing issues]() that already include this feature request, without success.

Describe the Feature Request

Make a pretty or pretty good 404 page when a page is not available or not found.

Describe the Use Case

Good page flow.

Describe Preferred Solution

No response

Describe Alternatives

No response

Related Code

No response

Additional Information

No response

[VincentWoglo]

Can you assign this one to me

[gbowne1]

Ok. There's an example in here: https://github.com/taotnpwaft/website

[gbowne1]

Here's an example..

and the color is #007aff

[Janvcd]

Can you assign this to me??

[gbowne1]

Sure @Janvcd

[mominry]

Can you please assign this issue to me

[gbowne1]

Ok @mominry

[gbowne1]

PR #126 closes this.