add hash function for conda recipe

Author: tomvanmele

recipe/sha256.py

@@ -0,0 +1,10 @@
+import hashlib
+from pathlib import Path
+
+FILE = Path(__file__).parent / "compas_occ-1.3.0.tar.gz"
+
+with open(FILE, "rb") as f:
+    data = f.read()
+    h = hashlib.sha256(data).hexdigest()
+
+print(h)