Scoped css (#5087)

* Create new css module parser

* Use css module processing

* Make hot reloading work for css_module macro

* Change css_module macro shape and rename to styles

* Add css_module example

* Update styles macro documentation

* Remove hidden from styles macro

* Remove unneeded param

* Remove unneeded visibility

* Improve `styles!` macro documentation

* Clippy

* Remove unneeded method

* Clippy

* Clippy

* Replace panic with anyhow

* Update css_module macro to attribute macro

* Update macro docs

* chore: Cargo.lock

* Clippy

* respect semver by deprecating old func

* update to latest winnow

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

Cargo.toml

@@ -367,6 +367,7 @@ pin-project = { version = "1.1.10" }
 postcard = { version = "1.1.3", default-features = false }
 serde_urlencoded = "0.7"
 form_urlencoded = "1.2.1"
+winnow = "0.7.14"
 
 # desktop
 wry = { version = "0.53.5", default-features = false }
@@ -597,6 +598,11 @@ name = "svg"
 path = "examples/02-building-ui/svg.rs"
 doc-scrape-examples = true
 
+[[example]]
+name = "css_modules"
+path = "examples/03-assets-styling/css_modules.rs"
+doc-scrape-examples = true
+
 [[example]]
 name = "custom_assets"
 path = "examples/03-assets-styling/custom_assets.rs"