imgui (#10)

Co-authored-by: Persson-dev <sim16.prib@gmail.com>
Reviewed-on: #10

app/src/main/java/chess/view/DDDrender/shader/BoardShader.java

@@ -46,7 +46,7 @@ public class BoardShader extends ShaderProgram {
 			in vec3 toCameraVector;
 			in vec3 surfaceNormal;
 
-			out vec4 out_color;
+			layout(location = 0) out vec4 out_color;
 
 			void main(void){
 				const float shineDamper = 10.0;