Add support for custom display in the simulator (#26)

* Initial custom display SVG and display selection

* clean up SVG and add data-com and data-seg

* Fix signal's data-com and data-seg

* Revert "Fix signal's data-com and data-seg"

This reverts commit 82f8dc6a91973fb3b9e25e8e073a26d8996977ae.

* Update indicators mapping for custom display

* Align #ifs to the left

watch-library/simulator/watch/watch_slcd.c

@@ -38,10 +38,26 @@ static bool tick_state;
 static long tick_interval_id = -1;
 
 watch_lcd_type_t watch_get_lcd_type(void) {
+#if defined(FORCE_CUSTOM_LCD_TYPE)
+    return WATCH_LCD_TYPE_CUSTOM;
+#else
     return WATCH_LCD_TYPE_CLASSIC;
+#endif
 }
 
 void watch_enable_display(void) {
+#if defined(FORCE_CUSTOM_LCD_TYPE)
+    _watch_update_indicator_segments();
+#endif
+
+    EM_ASM({
+#if defined(FORCE_CUSTOM_LCD_TYPE)
+        document.getElementById("classic").style.display = "none";
+#else
+        document.getElementById("custom").style.display = "none";
+#endif
+    });
+
     watch_clear_display();
 }