started tile serializing

engine/items/carried.go

@@ -0,0 +1,9 @@
+package items
+
+import "lab.zaar.be/thefish/alchemyst-go/engine/ecs"
+
+type Carried struct {}
+
+func (c *Carried) Type() string {
+	return ecs.CarriedComponent
+}

engine/items/useable.go

@@ -0,0 +1,10 @@
+package items
+
+import "lab.zaar.be/thefish/alchemyst-go/engine/ecs"
+
+type Useable struct {}
+
+
+func (u *Useable) Type() string {
+	return ecs.UsableComponent
+}