lsd: init

[sand4rt]

for reference; https://github.com/lsd-rs/lsd/blob/main/doc/samples/colors-sample.yaml

---

• I certify that I have the right to submit this contribution under the MIT license
• Commit messages adhere to Stylix commit conventions
• Theming changes adhere to the Stylix style guide
• Changes have been tested locally
• Changes have been tested in testbeds
• Each commit in this PR is suitable for backport to the current stable branch

[trueNAHO]

If you do not wish to publish your email, it might be simpler to not include this optional field:

Suggested change

email = "[email protected]";

This line would also have to be removed in /generated/all-maintainers.nix.

[trueNAHO]

for reference; https://github.com/lsd-rs/lsd/blob/main/doc/samples/colors-sample.yaml

What value does this explicit theme provide over the LS_COLORS environment variable, which we support due to #560?

CC: @arunoruto, @i-am-logger, @jeanlucthumm, @tuxiqae