feat: Add texture rendering endpoints and service methods

- Introduced new API endpoints for rendering textures, avatars, capes, and previews, enhancing the texture handling capabilities.
- Implemented corresponding service methods in the TextureHandler to process rendering requests and return appropriate responses.
- Updated the TextureRenderService interface to include methods for rendering textures, avatars, and capes, along with their respective parameters.
- Enhanced error handling for invalid texture IDs and added support for different rendering types and formats.
- Updated go.mod to include the webp library for image processing.

go.mod

@@ -5,6 +5,7 @@ go 1.24.0
 toolchain go1.24.2
 
 require (
+	github.com/chai2010/webp v1.4.0
 	github.com/gin-gonic/gin v1.11.0
 	github.com/golang-jwt/jwt/v5 v5.3.0
 	github.com/joho/godotenv v1.5.1
@@ -27,17 +28,17 @@ require (
 	github.com/cloudwego/base64x v0.1.6 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
 	github.com/go-sql-driver/mysql v1.9.3 // indirect
-	github.com/goccy/go-yaml v1.18.0 // indirect
+	github.com/goccy/go-yaml v1.19.0 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/klauspost/crc32 v1.3.0 // indirect
-	github.com/minio/crc64nvme v1.1.0 // indirect
+	github.com/minio/crc64nvme v1.1.1 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
-	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/quic-go v0.54.0 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.57.1 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
-	github.com/tinylib/msgp v1.3.0 // indirect
-	go.uber.org/mock v0.5.0 // indirect
+	github.com/tinylib/msgp v1.6.1 // indirect
+	go.uber.org/mock v0.6.0 // indirect
 	golang.org/x/image v0.33.0 // indirect
 	golang.org/x/mod v0.30.0 // indirect
 	golang.org/x/sync v0.18.0 // indirect