Add capabilities nomad example job.

example/capabilities.nomad

@@ -0,0 +1,25 @@
+job "capabilities" {
+  datacenters = ["dc1"]
+
+  group "capabilities-group" {
+    task "capabilities-task" {
+      driver = "containerd-driver"
+
+      config {
+        image = "docker.io/library/ubuntu:16.04"
+	command = "sleep"
+	args = ["600s"]
+	cap_add = ["CAP_SYS_ADMIN", "CAP_IPC_OWNER", "CAP_IPC_LOCK"]
+	cap_drop = ["CAP_CHOWN", "CAP_SYS_CHROOT", "CAP_DAC_OVERRIDE"]
+      }
+
+      resources {
+        cpu    = 500
+        memory = 256
+        network {
+          mbits = 10
+        }
+      }
+    }
+  }
+}