Increasing Access

Like in most of the editor(s), users can change the keymaps based on their preferences. There should also be a feature to in p5.js-web-editor to change the keyboard shortcuts as user likes.

Feature request details

1. Add a edit button
2. create context or redux slice for global state(s) mgmt
3. track the keys using onKeyDown or onKeyUp, etc.
4. Also ensure that shortcut don't clash with browser shortcuts