I think Atom is a good choice as editor, especially if you use the Atom snippets provided by @thguenther. But you can in fact use any editor you like and feel comfortable with.
And as regards version control, I’d also recommend it, and it does not really take long to learn the basics.
Here is the link to Bitbucket: https://bitbucket.org/
Edit: GitLab also offers free private and public repos. And if you prefer a self-hosted solution, there’s also the GitLab community edition (the latter may be a bit overkill, but who knows what you are up to…
).