update to zig 0.13.0

update to zig 0.11

change irc channel

use single pixel buffer protocol for background

update depencencies in readme

remove globals abstraction and make them optional

make state a global variable

update to zig 0.10.0

add irc channel to readme

fix config example in readme

multiple arguments to riverctl spawn must be quoted.

remove inheritance for modules

update readme

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