Add pipeline tag

This PR adds the `pipeline_tag: image-classification` metadata so the model can be discovered under the image-classification pipeline on the Hugging Face Hub. No other changes are needed because the model card already includes the relevant links.

README.md

@@ -1,9 +1,10 @@
 ---
 license: mit
 tags:
-  - computer-vision
-  - pytorch
-  - visionhope
+- computer-vision
+- pytorch
+- visionhope
+pipeline_tag: image-classification
 ---
 
 # VisionHOPE
@@ -37,4 +38,4 @@ To download all checkpoints:
 hf download PSRben/VisionHOPE --include "visionhope_*.pth" --local-dir weights
 ```
 
-See the [code repository](https://github.com/PSRben/VisionHOPE) for installation, model definitions, and training and evaluation commands.
+See the [code repository](https://github.com/PSRben/VisionHOPE) for installation, model definitions, and training and evaluation commands.