refactor: remove empty services (#116)

* remove empty services

* remove old factory

* remove old static files

* cleanup more duplicate service code

* file/folder reorg

backend/internal/data/ent/schema/label.go

@@ -0,0 +1,40 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"github.com/hay-kot/homebox/backend/internal/data/ent/schema/mixins"
+)
+
+// Label holds the schema definition for the Label entity.
+type Label struct {
+	ent.Schema
+}
+
+func (Label) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		mixins.BaseMixin{},
+		mixins.DetailsMixin{},
+	}
+}
+
+// Fields of the Label.
+func (Label) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("color").
+			MaxLen(255).
+			Optional(),
+	}
+}
+
+// Edges of the Label.
+func (Label) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("group", Group.Type).
+			Ref("labels").
+			Required().
+			Unique(),
+		edge.To("items", Item.Type),
+	}
+}