feat: Implement public access for tenant content

- Add TenantOptionalAuth middleware to allow access to public content without requiring authentication.
- Introduce ListPublicPublished and PublicDetail methods in the content service to retrieve publicly accessible content.
- Create tenant_public HTTP routes for listing and showing public content, including preview and main asset retrieval.
- Enhance content tests to cover scenarios for public content access and permissions.
- Update specifications to reflect the new public content access features and rules.

backend/app/http/tenant_join/provider.gen.go

@@ -0,0 +1,37 @@
+package tenant_join
+
+import (
+	"quyun/v2/app/middlewares"
+
+	"go.ipao.vip/atom"
+	"go.ipao.vip/atom/container"
+	"go.ipao.vip/atom/contracts"
+	"go.ipao.vip/atom/opt"
+)
+
+func Provide(opts ...opt.Option) error {
+	if err := container.Container.Provide(func() (*join, error) {
+		obj := &join{}
+
+		return obj, nil
+	}); err != nil {
+		return err
+	}
+	if err := container.Container.Provide(func(
+		join *join,
+		middlewares *middlewares.Middlewares,
+	) (contracts.HttpRoute, error) {
+		obj := &Routes{
+			join:        join,
+			middlewares: middlewares,
+		}
+		if err := obj.Prepare(); err != nil {
+			return nil, err
+		}
+
+		return obj, nil
+	}, atom.GroupRoutes); err != nil {
+		return err
+	}
+	return nil
+}