v0.5.0

# Eww 0.5.0

## BREAKING CHANGES
- Remove `eww windows` command, replace with `eww active-windows` and `eww list-windows`

## Features
- 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

## Fixes
- Fix wrong values in `EWW_NET`
- Fix logfiles growing indefinitely