Drawing split, fix split left right behaviour

build_file.cpp

@@ -253,6 +253,9 @@ void GenerateConfig() {
     colors.add({"TitleBarActiveBackground", "0xfefefefe"});
     colors.add({"TitleBarSelection", "GruvboxLight3"});
 
+    colors.add({"ResizerBackground", "GruvboxLight0Soft"});
+    colors.add({"ResizerOutline", "GruvboxLight3"});
+
     Array<Var> style = {};
     style.add({"WaitForEvents", "1"});
     style.add({"DrawLineNumbers", "1"});