There are two ways to organize your channels:
1. Group your channels by assigning channels to Categories
Go to Channels
Click the channel's 3 dot icon
Click Assign to category.

Select the category from the list and Click Save to apply changes

2. Re-arrange your channels on the categories
Go to the Categories tab,
Click the channel's 3 dot icon
Click the Edit option.

Use these icons to drag and re-arrange the channels on this specific category.

Confirm the order of the channels in the category on the channel sidebar
