feat: add image management functionality

- Implemented image folder repository with CRUD operations.
- Added image reference repository for managing image references to articles.
- Created image repository for handling image assets, including listing, inserting, updating, and deleting images.
- Introduced image usage repository to track storage usage and quotas for tenants.
- Added SQL queries for image assets, folders, references, and usage.
- Developed image handler for HTTP endpoints to manage images and folders.
- Created database migration scripts for image-related tables and structures.

server/internal/shared/config/config.go

@@ -80,6 +80,12 @@ type RabbitMQConfig struct {
 	TemplateAssistDLX            string `mapstructure:"template_assist_dlx"`
 	TemplateAssistDLQ            string `mapstructure:"template_assist_dlq"`
 	TemplateAssistDLQRouteKey    string `mapstructure:"template_assist_dlq_routing_key"`
+	ImageAssetExchange           string `mapstructure:"image_asset_exchange"`
+	ImageAssetRoutingKey         string `mapstructure:"image_asset_routing_key"`
+	ImageAssetQueue              string `mapstructure:"image_asset_queue"`
+	ImageAssetDLX                string `mapstructure:"image_asset_dlx"`
+	ImageAssetDLQ                string `mapstructure:"image_asset_dlq"`
+	ImageAssetDLQRouteKey        string `mapstructure:"image_asset_dlq_routing_key"`
 	ConsumerPrefetch             int    `mapstructure:"consumer_prefetch"`
 	PublishChannelPoolSize       int    `mapstructure:"publish_channel_pool_size"`
 }
@@ -337,6 +343,24 @@ func normalizeRabbitMQConfig(cfg *RabbitMQConfig) {
 	if strings.TrimSpace(cfg.TemplateAssistDLQRouteKey) == "" {
 		cfg.TemplateAssistDLQRouteKey = "template.assist.run.dlq"
 	}
+	if strings.TrimSpace(cfg.ImageAssetExchange) == "" {
+		cfg.ImageAssetExchange = "image.asset"
+	}
+	if strings.TrimSpace(cfg.ImageAssetRoutingKey) == "" {
+		cfg.ImageAssetRoutingKey = "image.asset.finalize"
+	}
+	if strings.TrimSpace(cfg.ImageAssetQueue) == "" {
+		cfg.ImageAssetQueue = "image.asset.finalize"
+	}
+	if strings.TrimSpace(cfg.ImageAssetDLX) == "" {
+		cfg.ImageAssetDLX = "image.asset.dlx"
+	}
+	if strings.TrimSpace(cfg.ImageAssetDLQ) == "" {
+		cfg.ImageAssetDLQ = "image.asset.finalize.dlq"
+	}
+	if strings.TrimSpace(cfg.ImageAssetDLQRouteKey) == "" {
+		cfg.ImageAssetDLQRouteKey = "image.asset.finalize.dlq"
+	}
 	if cfg.PublishChannelPoolSize <= 0 {
 		cfg.PublishChannelPoolSize = 16
 	}