Add oxipng

oxipng/package.yml

@@ -0,0 +1,20 @@
+name       : oxipng
+version    : 3.0.0
+release    : 1
+source     :
+    - git|https://github.com/shssoichiro/oxipng.git : master
+license    :
+    - MIT
+component  : system.utils
+networking : yes
+summary    : Multithreaded PNG optimizer written in Rust
+description: |
+    Oxipng is a multithreaded lossless PNG compression optimizer. It can be used via a command-line interface or as a library in other Rust programs.
+builddeps  :
+    - cargo
+build      : |
+    cargo build --release
+install    : |
+    install -Dm00755 target/release/oxipng $installdir/usr/bin/oxipng
+check      : |
+    cargo test --all