Add LICENSE and setup.py metadata updates

Author: jonmmease

LICENSE.txt

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 Plotly, Inc
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

setup.py

@@ -89,6 +89,11 @@ def run(self):
         )
 
 
+def readme():
+    with open(os.path.join(here, "README.md")) as f:
+        return f.read()
+
+
 # Load requirements.txt
 with open(os.path.join(here, 'requirements.txt')) as f:
     requirements = [req.strip() for req in f.read().split('\n')]
@@ -102,7 +107,11 @@ def run(self):
     name='jupyter-dash',
     version=__version__,
     description="Dash support for the Jupyter notebook interface",
+    long_description_content_type="text/markdown",
     author='Plotly',
+    license="MIT",
+    url="https://github.com/plotly/jupyter-dash",
+    project_urls={"Github": "https://github.com/plotly/jupyter-dash"},
     packages=['jupyter_dash'],
     install_requires=requirements,
     extras_require={