fix shaders format

data/shaders/vertex-color.glsl

@@ -1,19 +1,24 @@
 [[vertex]]
+
 uniform mat4 mvp;
+
 in vec4 pos;
 in vec4 col;
 out vec4 c;
+
 void main()
 {
-   c = col;
-   gl_Position = mvp * pos;
-   gl_PointSize = 5.0;
-};
+    c = col;
+    gl_Position = mvp * pos;
+    gl_PointSize = 5.0;
+}
 
 [[fragment]]
+
 in mediump vec4 c;
 out mediump vec4 frag;
+
 void main()
 {
-   frag = c;
-};
+    frag = c;
+}