AppManager: Add Excalidraw

Change-Id: I053676e18773e8dec452c54bda350cdc978ae0ca
diff --git a/charts/excalidraw/templates/service-headless.yaml b/charts/excalidraw/templates/service-headless.yaml
new file mode 100644
index 0000000..d04c8e4
--- /dev/null
+++ b/charts/excalidraw/templates/service-headless.yaml
@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "excalidraw.fullname" . }}-headless
+  labels:
+    {{- include "excalidraw.labels" . | nindent 4 }}
+spec:
+  {{- if eq .Values.service.type "LoadBalancer" }}
+  type: ClusterIP
+  {{- else }}
+  type: {{ .Values.service.type }}
+  {{- end }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "excalidraw.selectorLabels" . | nindent 4 }}