add workflow to build nvcr image

Author: dushyantbehl

.github/workflows/dev-image.yaml

@@ -0,0 +1,17 @@
+name: dev-image
+on:
+  push:
+    branches: [ "staging" ]
+  pull_request:
+    branches: [ "staging" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: "Free up disk space"
+        uses: ./.github/actions/free-up-disk-space
+      - name: Build image
+        run: |
+          docker build -t fms-hf-tuning:dev . -f build/nvcr.Dockerfile