Started messing around with Raylib

Mainly just messing around

internal/ui/tween.go

@@ -0,0 +1,11 @@
+package ui
+
+type num interface {
+	int32 | float32
+}
+
+type Tween[T num] struct {
+	start    T
+	nextMult float32
+	end      T
+}