added token_test.yaml to test token access

.github/workflows/token_test.yaml

@@ -0,0 +1,19 @@
+name: Test KJ3_PATC Token
+
+on: 
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository with KJ3_PATC token
+        uses: actions/checkout@v2
+        with:
+          repository: HopkinsIDD/rsv-forecast-hub_data
+          token: ${{ secrets.KJ3_PATC }}
+          fetch-depth: 2
+
+      - name: List files in the repository
+        run: ls -la