perf(#10923): CSS Modules のクラス名をインライン化する (#10930)

* perf(#10923): unwind css module class name

* perf(#10923): support multiple components

* refactor: clean up

* refactor(#10923): avoid `useCssModule()`

* fix(#10923): allow direct literal class name

* fix(#10923): avoid computed class name

* fix(#10923): allow literal keys

* fix(#10923): typo

* fix(#10923): invalid class names

* chore: test

* revert: test

This reverts commit 5c7ef366ec.

* fix(#10923): hidden tale

* perf(#10923): also unwind scoped css contained components

* perf(#10923): `normalizeClass` AOT compilation

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/frontend/src/pages/welcome.setup.vue

@@ -1,5 +1,5 @@
 <template>
-<div :class="$style.root">
+<div>
 	<MkAnimBg style="position: fixed; top: 0;"/>
 	<div :class="$style.formContainer">
 		<form :class="$style.form" class="_panel" @submit.prevent="submit()">
@@ -64,9 +64,6 @@ function submit() {
 </script>
 
 <style lang="scss" module>
-.root {
-}
-
 .formContainer {
 	min-height: 100svh;
 	padding: 32px 32px 64px 32px;