Update publication reference (#7)

- Update reference to publication (7133c6fac02afa006ce8790030793db154dc90ed)

README.md

@@ -50,7 +50,7 @@ All content in this repository including code has been provided by IBM under the
 
 ### Citation
 
-If this model helped your research, please cite [Granite-ocean-gfm](https://github.com/ibm-granite/geospatial/granite-geospatial-ocean/granite-geospatial-ocean-preprint.pdf) in your publications.
+If this model helped your research, please cite [Granite-ocean-gfm](https://github.com/ibm-granite/geospatial/blob/main/granite-geospatial-ocean/granite-geospatial-ocean-preprint.pdf) in your publications.
 
 <!-- ```
 @article{Granite-geospatial-ocean-Preprint,

config.yaml

@@ -60,6 +60,6 @@
       2.67577808
     ],
     "origin_url": "https://huggingface.co/ibm-granite/granite-geospatial-ocean",
-    "paper_ids": "https://github.com/ibm-granite/geospatial/granite-geospatial-ocean/granite-geospatial-ocean-preprint.pdf"
+    "paper_ids": "https://github.com/ibm-granite/geospatial/blob/main/granite-geospatial-ocean/granite-geospatial-ocean-preprint.pdf"
   }
 }