add a link to the custom foot_custom.html

no need to be global here

I guess it is unnecessary (perhaps even wrong) to urlize terms

rename copyright to footer, since the variable copyright is used in the RSS feed

add language code

use float and add the alt attribute to <img>

an alternative way to add a page to menu

protocol-free

tweak about

full absolute link to screenshot

link screenshot to documentation

add author

add categories and tags

add readme and screenshots

add example site

add theme.toml, archetypes, layouts, and css

start the project in RStudio