rename object to platform, refact of file names

konstructor/object.platform.go

@@ -0,0 +1,16 @@
+package konstructor
+
+type PlatformTypeMapKey string
+
+type PlatformTypeMap map[PlatformTypeMapKey]PlatformType
+
+type PlatformType struct {
+	ID     string
+	Render Render
+}
+
+type Platform struct {
+	ID       string
+	Type     PlatformType
+	Position Position
+}