Create fsh-validation.yml

.github/workflows/fsh-validation.yml

@@ -0,0 +1,23 @@
+name: Validate FHIR Shorthand Files
+
+on:
+  workflow_dispatch:
+
+jobs:
+  validate-fsh:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '14'
+
+    - name: Install SUSHI CLI
+      run: npm install -g fsh-sushi
+
+    - name: Validate FHIR Shorthand files
+      run: sushi . --validate