add guetzli (#3)

recipes/guetzli/recipe.yaml

@@ -0,0 +1,45 @@
+context:
+  version: "1.0.1"
+
+package:
+  name: guetzli
+  version: ${{ version }}
+
+source:
+  - url: https://github.com/google/guetzli/archive/refs/tags/v${{ version }}.tar.gz
+    sha256: e52eb417a5c0fb5a3b08a858c8d10fa797627ada5373e203c196162d6a313697
+  - url: https://github.com/google/guetzli/releases/download/v1.0/bees.png
+    target_directory: test-image
+    sha256: 2c1784bf4efb90c57f00a3ab4898ac8ec4784c60d7a0f70d2ba2c00af910520b
+
+build:
+  skip: win
+  script:
+    - make
+    - install -Dm755 bin/Release/guetzli $PREFIX/bin/guetzli
+
+requirements:
+  build:
+    - ${{ compiler('cxx') }}
+    - make
+    - pkg-config
+    - coreutils
+  host:
+    - libpng
+    - zlib
+  ignore_run_exports:
+    from_package:
+      - zlib
+
+tests:
+  - script:
+      # compress test image
+      - guetzli test-image/bees.png bees.jpg
+    files:
+      source:
+        - test-image/
+
+about:
+  homepage: https://github.com/google/guetzli
+  license: Apache-2.0
+  summary: Perceptual JPEG encoder