doc update and setup for pypi

Add documentation for custom filenames.
Update setup.py for new pypi readme parsing.
Update version and changes for new release.

CHANGES.rst

@@ -3,6 +3,14 @@ Changelog
 
 The full list of changes between each Python LiveReload release.
 
+Version 2.6.3
+-------------
+
+Released on August 22, 2020
+
+1. Support for custom default filenames.
+
+
 Version 2.6.2
 -------------
 

README.rst

@@ -135,6 +135,9 @@ and a livereload server::
     # open the web browser on startup, based on $BROWSER environment variable
     server.serve(open_url_delay=5, debug=False)
 
+    # set a custom default file to open
+    server.serve(default_filename='example.html')
+
 
 shell
 ~~~~~

livereload/__init__.py

@@ -8,7 +8,7 @@
     :license: BSD, see LICENSE for more details.
 """
 
-__version__ = '2.6.2'
+__version__ = '2.6.3'
 __author__ = 'Hsiaoming Yang <[email protected]>'
 __homepage__ = 'https://github.com/lepture/python-livereload'
 

setup.py

@@ -25,6 +25,7 @@ def version():
     url='https://github.com/lepture/python-livereload',
     packages=['livereload', 'livereload.management.commands'],
     description='Python LiveReload is an awesome tool for web developers',
+    long_description_content_type='text/x-rst',
     long_description=fread('README.rst'),
     entry_points={
         'console_scripts': [