[nit] isso: isso.cfg: Add link for misaka exts
@@ -203,6 +203,7 @@ require-email = false
# Misaka-specific Markdown extensions, all extensions can be used here,
# separated by comma, either by their name or by EXT_<extension>.
# Careful: Misaka 1.0 used "snake_case", but 2.0 needs "dashed-case"!
+# Explanation of extensions: https://flask-misaka.readthedocs.io/en/latest/#options
options = strikethrough, superscript, autolink, fenced-code
# Misaka-specific HTML rendering flags, all html rendering flags can be used
