Customise the 404 page

https://gitlab.com/gitmate/open-source/gitmate-2-frontend/blob/master/src/app/not-found-view/not-found-view.component.html is the current 404 page, which isn't much to say.

Some examples:

• http://google.co.in/askfns
• https://twitter.com/aslkdfjasdklfjasd
• https://github.com/asdfasdasdfsdf
• http://projects.coala.io/sdfasdf

This requires first collecting a few ideas, talking them through with a bunch of random people to see what they think and refine it into something delightful.

An error 404 is by default something unpleasant and it's important that it provides some delight to the user.

Check out https://www.justinmind.com/blog/6-best-practices-for-404-pages-with-killer-ux/ as well.

Please discuss the idea here first before starting the implementation.