fix shaders format

data/shaders/color.glsl

@@ -1,16 +1,22 @@
 [[vertex]]
+
 uniform mat4 mvp;
+
 in vec4 pos;
+
 void main()
 {
-   gl_Position = mvp * pos;
-   gl_PointSize = 5.0;
-};
+    gl_Position = mvp * pos;
+    gl_PointSize = 5.0;
+}
 
 [[fragment]]
+
 uniform mediump vec4 col;
+
 out mediump vec4 frag;
+
 void main()
 {
-   frag = col;
-};
+    frag = col;
+}