fix shaders format

data/shaders/font.glsl

@@ -1,22 +1,27 @@
 [[vertex]]
+
 uniform mat4 mvp;
+
 in vec2 pos;
 in vec2 uvs;
 out vec2 uv;
+
 void main()
 {
-   uv = uvs;
-   gl_Position = mvp * vec4(pos, 0.0, 1.0);
-};
+    uv = uvs;
+    gl_Position = mvp * vec4(pos, 0.0, 1.0);
+}
 
 [[fragment]]
+
 uniform mediump sampler2D tex;
 uniform mediump vec4 col;
+
 in mediump vec2 uv;
 out mediump vec4 frag;
+
 void main()
 {
-   mediump float a = texture(tex, uv).r;
-   frag = vec4(col.rgb, a);
-};
-
+    mediump float a = texture(tex, uv).r;
+    frag = vec4(col.rgb, a);
+}