テーマエディターの実装 (#6482)

* テーマ機能の実装

* resolve #6478

* 定数を削除できるように

* 変更を破棄するか確認ダイアログを表示するように

* fix code

* Update theme.ts

* ✌️

* fix path

* wip

* wip

* wip

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

src/client/themes/_dark.json5

@@ -12,12 +12,10 @@
 		accent: '#86b300',
 		accentDarken: ':darken<10<@accent',
 		accentLighten: ':lighten<10<@accent',
-		accentShadow: ':alpha<0.3<@accent',
 		focus: ':alpha<0.3<@accent',
 		bg: '#000',
 		fg: '#c7d1d8',
 		fgHighlighted: ':lighten<3<@fg',
-		html: '@bg',
 		divider: 'rgba(255, 255, 255, 0.1)',
 		indicator: '@accent',
 		panel: '#000',

src/client/themes/_light.json5

@@ -12,12 +12,10 @@
 		accent: '#86b300',
 		accentDarken: ':darken<10<@accent',
 		accentLighten: ':lighten<10<@accent',
-		accentShadow: ':alpha<0.4<@accent',
 		focus: ':alpha<0.3<@accent',
 		bg: '#fafafa',
 		fg: '#5c6a73',
 		fgHighlighted: ':darken<3<@fg',
-		html: '@bg',
 		divider: 'rgba(0, 0, 0, 0.1)',
 		indicator: '@accent',
 		panel: '#fff',

src/client/themes/halloween.json5

@@ -12,7 +12,6 @@
 		panel: '#1f1d30',
 		bg: '#0f0e17',
 		fg: '#b1bee3',
-		html: '@accent',
 		renote: '@accent',
 	},
 }