Add pipeline tag and license

This PR adds the `pipeline_tag` and license to the model card, improving discoverability and clarity. The license is set to `cc-by-nc-4.0` based on the information provided in the paper and GitHub repository. The `pipeline_tag` is set to `depth-estimation` to accurately reflect the model's functionality.

README.md

@@ -4,8 +4,12 @@ tags:
 - model_hub_mixin
 - monocular-metric-depth-estimation
 - pytorch_model_hub_mixin
+pipeline_tag: depth-estimation
+license: cc-by-nc-4.0
 ---
 
 This model has been pushed to the Hub using the [PytorchModelHubMixin](https://huggingface.co/docs/huggingface_hub/package_reference/mixins#huggingface_hub.PyTorchModelHubMixin) integration:
 - Library: https://github.com/lpiccinelli-eth/UniDepth
-- Docs: [More Information Needed]
+- Docs: [More Information Needed]
+
+This model is presented in [UniDepthV2: Universal Monocular Metric Depth Estimation Made Simpler](https://hf.co/papers/2502.20110).