Eww 0.5.0

BREAKING CHANGES

Remove eww windows command, replace with eww active-windows and eww list-windows

Add :namespace window option
Default to building with x11 and wayland support simultaneously
Add truncate-left property on label widgets (By: kawaki-san)
Add gravity property on label widgets (By: Elekrisk)
Add support for safe access (?.) in simplexpr (By: oldwomanjosiah)
Allow floating-point numbers in percentages for window-geometry
Add support for safe access with index (?.[n]) (By: ModProg)
Made and, or and ?: lazily evaluated in simplexpr (By: ModProg)
Add Vanilla CSS support (By: Ezequiel Ramis)
Add jq function, offering jq-style json processing
Add justify property to the label widget, allowing text justification (By: n3oney)
Add EWW_TIME magic variable (By: Erenoit)
Add trigonometric functions (sin, cos, tan, cot) and degree/radian conversions (degtorad, radtodeg) (By: end-4)
Add substring function to simplexpr
Add --duration flag to eww open
Add support for referring to monitor with <primary>
Add support for multiple matchers in monitor field
Add stack widget (By: vladaviedov)
Add unindent property to the label widget, allowing to disable removal of leading spaces (By: nrv)
Switch to stable rust toolchain (1.76)
Add tooltip widget, which allows setting a custom tooltip (not only text), to a widget (By: Rayzeq)
Add eww shell-completions command, generating completion scripts for different shells