Add silk-screen rectangle for orientation.

2018-schematic/nodemcu.pretty/NodeMCU.kicad_mod

@@ -1,10 +1,14 @@
-(module NodeMCU (layer F.Cu) (tedit 5B63BC86)
+(module NodeMCU (layer F.Cu) (tedit 5B63BF07)
   (fp_text reference REF** (at -26.67 0 90) (layer F.SilkS)
     (effects (font (size 1.2 1.2) (thickness 0.15)))
   )
   (fp_text value NodeMCU (at 0 0) (layer F.Fab)
     (effects (font (size 1.2 1.2) (thickness 0.15)))
   )
+  (fp_line (start -24.45 -8.0) (end -24.45 8.0) (layer F.SilkS) (width 0.15))
+  (fp_line (start -24.45 8.0) (end -0.45 8.0) (layer F.SilkS) (width 0.15))
+  (fp_line (start -0.45 8.0) (end -0.45 -8.0) (layer F.SilkS) (width 0.15))
+  (fp_line (start -0.45 -8.0) (end -24.45 -8.0) (layer F.SilkS) (width 0.15))
   (fp_line (start -24.13 -12.8) (end -24.13 12.8) (layer F.SilkS) (width 0.15))
   (fp_line (start -24.13 12.8) (end 24.13 12.8) (layer F.SilkS) (width 0.15))
   (fp_line (start 24.13 12.8) (end 24.13 -12.8) (layer F.SilkS) (width 0.15))