add: add link to the feed to index
add: smarter rss template
* as per https://www.godo.dev/tutorials/hugo-full-text-rss/
Co-authored-by: surtur <a_mirre@utb.cz>
Reviewed-on: #21
Reviewed-by: dalahast <dalahast@noreply.git.dotya.ml>
Co-Authored-By: wanderer <wanderer@noreply.git.dotya.ml>
Co-Committed-By: wanderer <wanderer@noreply.git.dotya.ml>
