refactor: Enhance texture handling and configuration

- Removed Swagger documentation import from the main server file.
- Updated TextureInfo struct to include UploaderUsername for better texture metadata.
- Modified texture repository methods to preload Uploader information when fetching textures by hash.
- Improved texture service to handle cases where Uploader information is missing, ensuring proper caching and retrieval.
- Added Redis configuration options in the environment variable setup for better flexibility.

cmd/server/main.go

@@ -32,8 +32,6 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"go.uber.org/zap"
-
-	_ "carrotskin/docs" // Swagger docs
 )
 
 func main() {