feat: add component_types management functionality

internal/models/requests/component_type_request.go

@@ -0,0 +1,15 @@
+package requests
+
+import "encoding/json"
+
+type CreateComponentTypeRequest struct {
+	Name        string          `json:"name" binding:"required"`
+	Description string          `json:"description"`
+	Metadata    json.RawMessage `json:"metadata"`
+}
+
+type UpdateComponentTypeRequest struct {
+	Name        string          `json:"name"`
+	Description string          `json:"description"`
+	Metadata    json.RawMessage `json:"metadata"`
+}