~/.mailcap: Better pandoc opts, list rars.

Should add zips and whatnot probably.

.mailcap

@@ -1,2 +1,3 @@
text/html; pandoc -f html -t markdown %s; copiousoutput;
text/html; pandoc -f html -t markdown_strict %s; copiousoutput;
application/pdf; xdg-open %s; copiousoutput;
application/rar; lsar %s; copiousoutput;