Add item DataComponent implements (part 1)

level/component/customname.go

@@ -0,0 +1,28 @@
+package component
+
+import (
+	"io"
+
+	"github.com/Tnze/go-mc/chat"
+)
+
+var _ DataComponent = (*CustomName)(nil)
+
+type CustomName struct {
+	Name chat.Message
+}
+
+// ID implements DataComponent.
+func (CustomName) ID() string {
+	return "minecraft:custom_name"
+}
+
+// ReadFrom implements DataComponent.
+func (c *CustomName) ReadFrom(r io.Reader) (n int64, err error) {
+	return c.Name.ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (c *CustomName) WriteTo(w io.Writer) (n int64, err error) {
+	return c.Name.WriteTo(w)
+}