fix saving config

add timeout for GetPageContent

fix agent exit

complete rewrite in Go

the_initium: fix language detecting

the_initium: use official rss link since website is up

the_initium: support custom feed link since RSSHub is down (temporari…

…ly?)

initium: fix login

initium: fix initium

fix cases where elements on last page interfere checks based on eleme…

…nt presence.