* rosenthal/packages/patches/niri.patch: New file.
* rosenthal/packages/patches/rust-libspa-sys.patch: New file.
* rosenthal/packages/patches/rust-libspa.patch: New file.
* rosenthal/packages/patches/rust-pipewire.patch: New file.
* rosenthal/packages/patches/rust-smithay.patch: New file.
* rosenthal/packages/rust-crates.scm (niri-cargo-inputs): New variable.
* rosenthal/packages/rust-apps.scm (niri): New variable.
* README.org (Packages): Add it.
* etc/manifest: Add it.