Add first implementation of druid styles (only button)

druid/styles/bounce/anims.lua

@@ -0,0 +1,26 @@
+local ui_animate = require("druid.helper.druid_animate")
+
+
+local M = {}
+
+
+function M.back_scale_animation(self, node, target_scale)
+	ui_animate.scale_to(self, node, target_scale)
+end
+
+
+function M.tap_scale_animation(self, node, target_scale)
+	ui_animate.scale_to(self, node, target_scale,
+		function()
+			M.back_scale_animation(self, node, self.scale_from)
+		end
+	)
+end
+
+
+function M.hover_scale(self, target, time)
+	ui_animate.scale(self, self.anim_node, target, time)
+end
+
+
+return M