add colab notebook link

README.md

@@ -34,7 +34,9 @@ model = LightningInferenceModel.from_config(config_path, ckpt_path)
 inference_results, input_file_names = model.inference_on_dir(<input_directory>)
 ```
 
-For more details, check out the [Getting Started Notebook](https://github.com/ibm-granite/granite-geospatial-biomass/blob/main/notebooks/agb_getting_started.ipynb) which guides the user through three experiments:
+For more details, check out the [Getting Started Notebook](https://github.com/ibm-granite/granite-geospatial-biomass/blob/main/notebooks/agb_getting_started.ipynb) or [Getting Started Google Colab Notebook](https://githubtocolab.com/ibm-granite/granite-geospatial-biomass/blob/main/notebooks/agb_getting_started.ipynb). To run the Colab Notebook beyond the initial example inferences, a high RAM instance may be required.
+
+These notebooks guide the user through three experiments:
 
 1. Zero-shot for all biomes
 2. Zero-shot for a single biome
@@ -114,4 +116,4 @@ All content in this repository including code has been provided by IBM under the
 open source software license and IBM is under no obligation to provide enhancements, 
 updates, or support. IBM developers produced this code as an 
 open source project (not as an IBM product), and IBM makes no assertions as to 
-the level of quality nor security, and will not be maintaining this code going forward.
+the level of quality nor security, and will not be maintaining this code going forward.