initial commit

internal/metal/models/memberships.go

@@ -0,0 +1,8 @@
+package models
+
+type Membership[T any] struct {
+	ID     string       `json:"id"`
+	User   *UserDetails `json:"user"`
+	Entity *T           `json:"entity"`
+	Roles  []string     `json:"roles"`
+}