Add teensy revision folder for Orthodox Rev3 (#2510)

* Add Rev3 Teensy for Orthodox

* MOve bootloader defines into revision folders

* Finishing touches

keyboards/orthodox/rev3/config.h

@@ -70,7 +70,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* key combination for command */
 #define IS_COMMAND() ( \
-    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_LGUI)) \
 )
 
 /* ws2812 RGB LED */

keyboards/orthodox/rev3/rules.mk

@@ -1 +1,2 @@
 BACKLIGHT_ENABLE = no
+BOOTLOADER = caterina