add classifiers

setup.py

@@ -24,5 +24,20 @@ setup(name='masque',
           'svg': ['svgwrite'],
           'text': ['freetype-py', 'matplotlib'],
       },
+      classifiers=[
+            'Programming Language :: Python :: 3',
+            'Development Status :: 4 - Beta',
+            'Environment :: Other Environment',
+            'Intended Audience :: Developers',
+            'Intended Audience :: Information Technology',
+            'Intended Audience :: Manufacturing',
+            'Intended Audience :: Science/Research',
+            'License :: OSI Approved :: GNU Affero General Public License v3',
+            'Operating System :: POSIX :: Linux',
+            'Operating System :: Microsoft :: Windows',
+            'Topic :: Scientific/Engineering',
+            'Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)',
+            'Topic :: Software Development :: Libraries :: Python Modules',
+      ],
       )