added highlighting -> bug all assets are transparent

Projekte/mdga/client/src/main/resources/MatDefs/SelectObjectOutliner/OutlinePre.frag

@@ -0,0 +1,10 @@
+varying vec2 texCoord;
+
+uniform sampler2D m_Texture;
+uniform sampler2D m_NormalsTexture;
+uniform sampler2D m_DepthTexture;
+
+void main(){
+    vec4 color = texture2D(m_Texture, texCoord);
+	gl_FragColor=color;
+}