Handle empty title

Read h1 as title if <title> is not found

Add rustfmt to CI

Use file before folder and meta generator tag

Format code

Support filename with dot

Template for 404

Implemented 404

Listen on any address

Redirect from folder if the URL is a post

Put time in front of title

Show breadcrumb in post list

Update style for breadcrumbs

Add breadcrumbs

Embed trailing slash in path

Get title from html post

Implement code highlight in iter

Remove txt as post format

Archive nix nar

Try to setup nix build on CI