Add the GitHub Pages platform guide

[serixscorpio]

Public repository at: https://github.com/serixscorpio/to-ghp illustrates publishing to GitHub Pages using the docs in this PR.

• published result https://serixscorpio.github.io/to-ghp/
• vue init commit: https://github.com/serixscorpio/to-ghp/commit/aec6c6515a31f56516197ca0a45564e41013c90a
• the commit that adds the files per documentation in this PR: https://github.com/serixscorpio/to-ghp/commit/b3978429c62ff60413124b6a92818bcc392a21a5
• using vue-cli 3.0.0-rc.4

[Akryum]

Thanks! 😻

[yyx990803]

FYI I personally don't think it's a good idea to put build output in version control just for deployment purposes. Deploying to the dedicated gh-pages branch is a better practice IMO so I may revise this section.

[serixscorpio]

Ok! thanks for the feedback!