setup.cfg: Move metadata to setup.cfg, raise version

setup.cfg

@@ -1,5 +1,58 @@
 [metadata]
-license_file=LICENSE.txt
+
+name             = orange-canvas-core
+version          = 0.2.0a1.dev0
+description      = Core component of Orange Canvas
+long_description = file: README.rst
+keywords         =
+home_page        = http://orange.biolab.si/
+author           = Bioinformatics Laboratory, FRI UL <[email protected]>
+
+project_urls =
+    Home Page     = https://github.com/biolab/orange-canvas-core
+    Source        = https://github.com/biolab/orange-canvas-core
+    Issue Tracker = https://github.com/biolab/orange-canvas-core/issues
+    Documentation = https://orange-canvas-core.readthedocs.io/en/latest/
+
+license = GPLv3
+license_file = LICENSE.txt
+
+classifiers =
+    Development Status :: 1 - Planning
+    Environment :: X11 Applications :: Qt
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
+    Operating System :: OS Independent
+    Topic :: Scientific/Engineering :: Visualization
+    Topic :: Software Development :: Libraries :: Python Modules
+    Intended Audience :: Education
+    Intended Audience :: Developers
+
+[options]
+
+packages = find:
+
+install_requires =
+    setuptools
+    AnyQt >= 0.0.13
+    docutils
+    commonmark >= 0.8.1
+    requests
+    cachecontrol[filecache]
+    pip >= 20.0
+    dictdiffer
+    qasync >= 0.13.0
+    importlib_metadata; python_version<'3.8'
+    dataclasses; python_version<'3.7'
+
+setup_requires=
+    setuptools >=30.0
+
+python_requires = >=3.6
+
+[options.extras_require]
+DOCBUILD = sphinx; sphinx-rtd-theme;
+
 
 [coverage:run]
 source =