重写主题系统

app/src/main/java/io/legato/kazusa/constant/PreferKey.kt

@@ -179,4 +179,7 @@ object PreferKey {
     const val showReadTitleAddition = "showReadTitleAddition"
     const val readBarStyleFollowPage = "readBarStyleFollowPage"
     const val contentSelectSpeakMod = "contentReadAloudMod"
+
+    const val dynamicColors = "dynamicColors"
+    const val themePref = "themePref"
 }

app/src/main/java/io/legato/kazusa/constant/Theme.kt

@@ -1,5 +1,5 @@
 package io.legato.kazusa.constant
 
 enum class Theme {
-    Dark, Light, Auto, Transparent, EInk;
+    Dark, Light, Auto, Transparent, EInk, GR;
 }