gitignore: only ignore * and .* at root

Signed-off-by: Emilio G. Cota <cota@braap.org>
gitignore: ignore ./config/*, not .config*/

This is more precise, and precision here matters.

Signed-off-by: Emilio G. Cota <cota@braap.org>
redshift: add config

Signed-off-by: Emilio G. Cota <cota@braap.org>
awesome: add config

Signed-off-by: Emilio G. Cota <cota@braap.org>