docs: load image processor via from_weights

README.md

@@ -42,7 +42,7 @@ from PIL import Image
 from kerasformers.models.depth_anything_v2 import DepthAnythingV2DepthEstimation, DepthAnythingV2ImageProcessor
 
 model = DepthAnythingV2DepthEstimation.from_weights("kerasformers/depth_anything_v2_base")
-processor = DepthAnythingV2ImageProcessor()
+processor = DepthAnythingV2ImageProcessor.from_weights("kerasformers/depth_anything_v2_base")
 
 image = Image.open("your_image.jpg").convert("RGB")
 output = model(processor(image)["pixel_values"], training=False)