MPRIS: Add a thing to implement mpris for lektord and amadeus + small other things

README.md

src/rust/Cargo.lock

src/rust/Cargo.toml

src/rust/dependencies.linux.png

src/rust/dependencies.macos-arm.png

src/rust/dependencies.macos.png

src/rust/dependencies.png

src/rust/dependencies.win32.png

src/rust/getset/.github/actions-rs/grcov.yml

src/rust/getset/.github/workflows/audit.yml

src/rust/getset/.github/workflows/test.yml

src/rust/lektor_db/Cargo.toml

src/rust/mpris/Cargo.toml

src/rust/mpris/src/lib.rs

src/rust/mpris/src/main.rs

src/rust/mpris/src/server.rs

src/rust/mpris/src/types.rs

utils/mpris/README.md

utils/mpris/vlc.xml

utils/rust-deps/dependencies.aarch64-apple-darwin.png