Add Python metadata

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2018"
 authors = ["Guillaume Fraux <[email protected]>"]
 repository = "https://github.com/luthaf/wigners"
 license = "MIT/Apache-2.0"
-keywords = ["clebsch", "gordan", "wigner"]
+keywords = ["clebsch-gordan", "wigner"]
 categories = ["science"]
 readme = "README.md"
 description = "Compute Wigner 3j and Clebsch-Gordan coefficients in pure Rust"

setup.cfg

@@ -3,13 +3,24 @@ name = wigners
 long_description = file: README.md
 long_description_content_type = text/markdown
 
-; license_files =
-; author =
-; author_email =
-; description =
-; keywords =
-; url =
-; classifiers =
+author = Guillaume Fraux
+author_email = [email protected]
+description = Compute Wigner 3j and Clebsch-Gordan coefficients
+url = https://github.com/Luthaf/wigners
+license_files =
+    LICENSE-MIT
+    LICENSE-APACHE
+keywords =
+    clebsch-gordan
+    wigner
+classifiers =
+    Development Status :: 4 - Beta
+    Environment :: Console
+    License :: OSI Approved :: MIT License
+    License :: OSI Approved :: Apache Software License
+    Topic :: Scientific/Engineering
+    Topic :: Scientific/Engineering :: Chemistry
+    Topic :: Scientific/Engineering :: Physics
 
 [options]
 zip_safe = False
@@ -19,6 +30,3 @@ package_dir =
 
 [options.packages.find]
 where = python
-
-[bdist_wheel]
-universal = 1