Placeholders.md

+```
+%mcc_current_(cosmetictype)%
+HAT, OFFHAND, BACK, SPRAY, ACCESSORY, GESTURE
+Returns the name of the equipped cosmetic for that type.
+```
+```
+%mcc_is_equipped_(cosmetictype)%
+HAT, OFFHAND, BACK, SPRAY, ACCESSORY, GESTURE
+Returns true/false
+```
+```
+%mcc_is_gesturing%
+Returns true/false
+```
+```
+%mcc_active_gesture%
+Same as %mcc_current_gesture%
+```
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