To contribute you can create a Notion account and use the comment feature at the top of the page.
If you would like editing access, contact me through discord: Jublingo#9431
For each main heading or individual setting, make it a ‘Toggle Heading 1’. Subsequent sub-headings/sub-settings can use the default ‘Heading 2’, ‘Heading 3’, etc.
Include screenshots of the different options if necessary.
To set icons for a new page click ‘Add icon’ above the title
Then click the Icons tab
Consider reading the notion help guides here:
Guides and Tutorials - How to use Notion
I can also help! Just shoot me a DM on Discord