Add recipe for ckzg

recipes/ckzg/meta.yaml

@@ -0,0 +1,48 @@
+{% set name = "ckzg" %}
+{% set version = "1.0.2" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/ckzg-{{ version }}.tar.gz
+  sha256: 4295acc380f8d42ebea4a4a0a68c424a322bb335a33bad05c72ead8cbb28d118
+
+build:
+  script: {{ PYTHON }} -m pip install . -vv
+  number: 0
+  skip: true  # [win]
+
+requirements:
+  build:
+    - make
+    - {{ compiler('c') }}
+    - {{ stdlib('c') }}
+    - python                                 # [build_platform != target_platform]
+    - cross-python_{{ target_platform }}     # [build_platform != target_platform]
+  host:
+    - python
+    - pip
+  run:
+    - python
+
+test:
+  imports:
+    - ckzg
+  commands:
+    - pip check
+  requires:
+    - pip
+
+about:
+  home: https://github.com/ethereum/c-kzg-4844
+  summary: Python bindings for C-KZG-4844
+  license: Apache-2.0
+  license_file:
+    - LICENSE
+    - blst/LICENSE
+
+extra:
+  recipe-maintainers:
+    - step21