demo/digitalocean: add a demo job

demo/digitalocean/app/bench.nomad

@@ -0,0 +1,20 @@
+job "bench" {
+	datacenters = ["nyc3"]
+
+	group "cache" {
+		count = 10000
+
+		task "hello-world" {
+			driver = "docker"
+
+			config {
+				image = "hello-world"
+			}
+
+			resources {
+				cpu = 100
+                memory = 100
+			}
+		}
+	}
+}