feat(transition): make effects optional

This PR follows the principle of the dynamic LESS compilation and implements this now also for all transition effects so its possible for the user to reduce even more unneeded CSS within the existing variation.variables file.

Author: lubber-de

src/themes/default/globals/variation.variables

@@ -532,9 +532,25 @@
 @variationToastVertical: true;
 @variationToastAttached: true;
 
-/* Loading */
+/* Transition */
 @variationTransitionDisabled: true;
 @variationTransitionLoading: true;
+@variationTransitionBrowse: true;
+@variationTransitionDrop: true;
+@variationTransitionFade: true;
+@variationTransitionFlip: true;
+@variationTransitionScale: true;
+@variationTransitionFly: true;
+@variationTransitionSlide: true;
+@variationTransitionSwing: true;
+@variationTransitionZoom: true;
+@variationTransitionFlash: true;
+@variationTransitionShake: true;
+@variationTransitionBounce: true;
+@variationTransitionTada: true;
+@variationTransitionPulse: true;
+@variationTransitionJiggle: true;
+@variationTransitionGlow: true;
 
 /* Emojis */
 @variationEmojiColons: true;