web2gmni: handle fetch errors

web2gmi: address edge case with challenging pages

hn.py: handle post without URL

web2gmi: decode HTML entities

web2gmi: collapse whitespace properly

web2gmi: rewrite links to route through proxy

web2gmi: fix error with image links

Fix typo

Add web.sh

web2gmi: implement ul, ol

Do expiry better anyway

Fix cache expiry

Update hn.py

implement <pre>

Move post cache to /tmp

Take two

Add node/npm to .build.yml

Add Hacker News script

Fix error for page not found

Use more robust stripping approach