Add proejct attributes

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

@@ -5,6 +5,11 @@ import java.io.File
 
 data class Project (
         val themeAssetIndex: ThemeAssetIndex,
+        val projectFile: File,
+        val projectFolder: File,
+        val scene1File: File,
+        val scene2File: File,
+        val coverFile: File,
         var assetFolder: File,
         var name: String? = null,
         var author: String? = null,