Add Tachiyomi check-arrow-down icon.

[Palloxin]

Before submitting a new icon request, please confirm the following:

• [X] I have searched all issues to make sure there isn't a request for this icon.
• [X] I have searched the current library to make sure the icon doesn't already exist.
• [X] I understand that brand icons are no longer being added and I can use SimpleIcons for my brand icon needs.
• [X] I only intend to request a single icon (or a few near-identical ones) in this issue.

What would you use this icon for?

1. mark as read all elements below the selected one.

https://github.com/Templarian/MaterialDesign/assets/75091899/bb7fb741-60b3-46bc-a64e-09b4e16b2557

2. helps users understand that content can be sorted in descending order.

Give us an example of what this icon might look like.