Text editor function to indent multiple lines at once

Command - Close Bracket (]) to tab right;

Command Shift Close Bracket to space right;

Same with Open Bracket ([) to move left

You can do:

1. Command + ]: to tab right
2. Command + Shift + ]: to space right
3. Command + Shift + [: to move left

You can go to Preferences > Keyboard and then select "Allow Tab key to indent text blocks".