Fix readme, 'raw' directive no longer supported

Author: Matthew Topol

README.rst

@@ -7,18 +7,10 @@ Quart-OpenAPI
 
 Documentation can be found on https://factset.github.io/quart-openapi/
 
-.. |ss| raw:: html
-
-    <strike>
-
-.. |se| raw:: html
-
-    </strike>
-
 .. inclusion-marker-do-not-remove
 
 Quart-OpenAPI is an extension for Quart_ that adds support for generating a openapi.json file using openapi 3.0.
-If you are familiar with Quart_, this just wraps around it to add a openapi.json route similar to |ss| Flask-RESTPlus |se| Flask-RESTX_
+If you are familiar with Quart_, this just wraps around it to add a openapi.json route similar to Flask-RESTX_
 generating a swagger.json route and adds a Resource base class for building RESTful APIs.
 
 Compatibility
@@ -92,7 +84,7 @@ Unit tests can be run through setuptools also:
 Request Validation
 ==================
 
-Request validation like you can get with |ss| Flask-RESTPlus |se| Flask-RESTX_!
+Request validation like you can get with Flask-RESTX_!
 
 You can either create validator models on the fly or you can create a jsonschema document for base models
 and then use references to it. For an on-the-fly validator:

setup.py

@@ -68,6 +68,7 @@ def pip(filename):
     version=__release__,
     description=__description__,
     long_description=long_description,
+    long_description_content_type='text/x-rst',
     url='https://github.com/factset/quart-openapi',
     author='Matt Topol',
     author_email='mtopol@factset.com',