GitHub Actions workflow to test training GNS

.github/workflows/train.yml

@@ -0,0 +1,37 @@
+name: GNS Train and Test
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  gns:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/geoelements/gns:config
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Train & Test
+      run: |
+        TMP_DIR="./gns-sample"
+        DATASET_NAME="WaterDropSample"
+        git clone https://github.com/geoelements/gns-sample
+        mkdir -p ${TMP_DIR}/${DATASET_NAME}/models/
+        mkdir -p ${TMP_DIR}/${DATASET_NAME}/rollout/
+        DATA_PATH="${TMP_DIR}/${DATASET_NAME}/dataset/"
+        MODEL_PATH="${TMP_DIR}/${DATASET_NAME}/models/"
+        ROLLOUT_PATH="${TMP_DIR}/${DATASET_NAME}/rollout/"
+        pytest test/
+        echo "Test paths: ${DATA_PATH} ${MODEL_PATH}"
+        ls
+        python -m gns.train
+        echo "Predict rollout"
+        ls ./gns-sample/WaterDropSample/models/
+
+    - name: Black check
+      run: |
+        conda install -c conda-forge black -y
+        black --check .