Add required fields for pip package build

Author: rubenlangius

pyproject.toml

@@ -4,7 +4,21 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "python-synthpop"
+version = "0.0.1"
 description = "Python implementation of the R package synthpop for generating synthetic data"
 authors = [
     {name = "Algorithm Audit"}
 ]
+requires-python = ">=3.8"
+dependencies = [
+    "numpy>=1.20.0",
+    "pandas>=1.3.0",
+    "scikit-learn>=1.0.0",
+]
+readme = "README.md"
+license = {file = "LICENSE"}
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+]