While on the bullet line, use the "SHIFT + ENTER" combination on your keyboard to create a new line without exiting your bullet points.
Type out your nested bullet point
- This is the editor's bullet
- This is one I manually created using SHIFT + ENTER
- Note that I typed the '-' hyphen manually - I could also type numbers
1. But I'm typing these numbers manually at the start of the line
2. The editor does not do nested bullets like this for me. - You can also create a bullet character manually
• like this (OPTION + 8) on Mac and (ALT + 0 1 4 9) on Windows