added Helm chart for HAPI FHIR server

.github/workflows/chart-release.yaml

@@ -0,0 +1,35 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - "charts/**"
+
+jobs:
+  release:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
+      - name: Add bitnami repo
+        run: helm repo add bitnami https://charts.bitnami.com/bitnami
+      - name: Update dependencies
+        run: find charts/ ! -path charts/ -maxdepth 1 -type d -exec helm dependency update {} \;
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.2.0
+        with:
+          config: .github/ct/ct.yaml
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"