add irc channel to readme
fix config example in readme

multiple arguments to riverctl spawn must be quoted.
remove inheritance for modules
replace zig-clap with posix args iterator
fix segfault when run without modules
use viewporter for background
cast mmapped memory tu u32
ci: package and upload on tagged commits
show ci banner of main branch only
deps: use zig-fcft by novakane
wayland: fix flush/dispatch
require at least one module
update zig-wayland and add some logs
split wayland.zig
add build badge
add ci and package script
tags: filter input by surface