feat: added additional description formatting (#23)

remove: removed HTML comments added by the 'Generate release notes' button
feat: description trimming
style: reduce consecutive whitespace/newlines into a minimum of 2 to allow separation in paragraphs
style: parse common Github URLs to more appropriate display
feat: added max_description option
feat: added reduce_headings option

action.yml

@@ -27,6 +27,14 @@ inputs:
   footer_timestamp:
     description: Timestamp for the footer.
     required: false
+  max_description:
+    description: Max length for the description.
+    required: false
+    default: '4096'
+  reduce_headings:
+    description: Converts H3 to bold, h2 to bold & underline.
+    required: false
+    default: 'false'
 runs:
   using: 'node16'
   main: 'index.js'