feat: domain/storage/billing/config cmds + rainyun domain/storage/billing services

internal/provider/rainyun/rainyun.go

@@ -12,8 +12,11 @@ func init() {
 
 // Rainyun provider — 雨云 cloud platform.
 type Rainyun struct {
-	client *client
-	server *ServerService
+	client  *client
+	server  *ServerService
+	domain  *DomainService
+	storage *StorageService
+	billing *BillingService
 }
 
 // New creates a Rainyun provider from config.
@@ -21,6 +24,9 @@ func New(cfg provider.ProviderConfig) (provider.Provider, error) {
 	c := newClient(cfg.Endpoint, cfg.APIKey)
 	r := &Rainyun{client: c}
 	r.server = &ServerService{client: c}
+	r.domain = &DomainService{client: c}
+	r.storage = &StorageService{client: c}
+	r.billing = &BillingService{client: c}
 	return r, nil
 }
 
@@ -39,7 +45,7 @@ func (r *Rainyun) Server() provider.ServerService {
 	}
 	return r.server
 }
-func (r *Rainyun) Domain() provider.DomainService   { return nil }
-func (r *Rainyun) Storage() provider.StorageService { return nil }
+func (r *Rainyun) Domain() provider.DomainService   { return r.domain }
+func (r *Rainyun) Storage() provider.StorageService { return r.storage }
 func (r *Rainyun) CDN() provider.CDNService         { return nil }
-func (r *Rainyun) Billing() provider.BillingService { return nil }
+func (r *Rainyun) Billing() provider.BillingService { return r.billing }