docs: quickstart: fix comment in sample config
Since code blocks don't unwrap lines, part of comment in
config example is rendered as non-comment.
Added ";" to start of line to fix that.
@@ -19,7 +19,7 @@ sane defaults.
[general]
; database location, check permissions, automatically created if it
- does not exist
+ ; does not exist
dbpath = /var/lib/isso/comments.db
; your website or blog (not the location of Isso!)
host = http://example.tld/
