Added Image processors.

Cargo.lock

Cargo.toml

PKGBUILD

src/background.rs

src/config/image_processors.rs

src/config/mod.rs

src/display.rs

src/img_processors/blur.rs

src/img_processors/border.rs

src/img_processors/crop.rs

src/img_processors/mod.rs

src/img_processors/none.rs

src/img_processors/scale.rs

src/main.rs

src/player_dbus.rs

src/result.rs

systemd/music_bg.service