Rename project to Rivista;

CSS: Improve position of elements;
JS: Improve handling of content in erroneous cases;
JS: Render post as HTML when XSLT does not render correctly;
JS: Handle posts which were tagged as Text instead of HTML and vice versa;
XSLT: Adapt to be viewed on browsers with a lack of support;
XSLT: Add Support for link elements of attribute "rel";
Python: Add elements author and link of attribute "rel".

xsl/opml.xsl

@@ -1,17 +1,19 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 
 <!--
-Copyright (C) 2016 - 2017 Schimon Jehuda. Released under MIT license
+Copyright (C) 2016 - 2024 Schimon Jehuda. Released under MIT license
 Feeds rendered using this XSLT stylesheet, or it's derivatives, must
 include https://schimon.i2p/ in attribute name='generator' of
 element <meta/> inside of html element </head>
 -->
 
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
-    <xsl:output method = 'html'
+    <xsl:output encoding = 'UTF-8'
                 indent = 'yes'
-                omit-xml-decleration='no' />
-    <!-- Atom 1.0 Syndication Format -->
+                media-type = 'text/x-opml'
+                method = 'html'
+                version = '4.01' />
+    <!-- Outline Processor Markup Language 1.0 -->
     <xsl:include href='opml_as_xhtml.xsl'/>
     <!-- set page metadata -->
     <xsl:include href='metadata.xsl'/>