Add cover color variable in Project

src/main/java/com/bomostory/sceneeditmodule/basicdata/Project.kt

@@ -1,5 +1,6 @@
 package com.bomostory.sceneeditmodule.basicdata
 
+import com.bomostory.sceneeditmodule.cover.CoverColor
 import com.example.bomocloud.theme.ThemeAssetIndex
 import java.io.File
 
@@ -13,6 +14,8 @@ data class Project (
         var assetFolder: File,
         var name: String? = null,
         var author: String? = null,
+        var frontCoverColor: CoverColor = CoverColor.Color1,
+        var backCoverColor: CoverColor = CoverColor.Color1,
     // TODO : Remove this
         var scene1: String? = null,
     // TODO : Remove this