Add power restore policy page

- This page will show how the system boots once power
  is restored after a power disturbance.

- API used to fetch the JSON:
  /redfish/v1/JsonSchemas/ComputerSystem/ComputerSystem.json
- API used to fetch the current policy and to save updated policy:
  /redfish/v1/Systems/system/

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: I203bd3c5d26071b882cce6b9950cdb3fb1deb212
diff --git a/tests/unit/__snapshots__/AppNavigation.spec.js.snap b/tests/unit/__snapshots__/AppNavigation.spec.js.snap
index e0ab273..11db806 100644
--- a/tests/unit/__snapshots__/AppNavigation.spec.js.snap
+++ b/tests/unit/__snapshots__/AppNavigation.spec.js.snap
@@ -236,6 +236,15 @@
                 </a>
                 <a
                   class="nav-link"
+                  data-test-id="nav-item-power-restore-policy"
+                  href="#/control/power-restore-policy"
+                >
+                  
+                  appNavigation.powerRestorePolicy
+                
+                </a>
+                <a
+                  class="nav-link"
                   data-test-id="nav-item-reboot-bmc"
                   href="#/control/reboot-bmc"
                 >
@@ -752,6 +761,15 @@
                 </a>
                 <a
                   class="nav-link"
+                  data-test-id="nav-item-power-restore-policy"
+                  href="#/control/power-restore-policy"
+                >
+                  
+                  appNavigation.powerRestorePolicy
+                
+                </a>
+                <a
+                  class="nav-link"
                   data-test-id="nav-item-reboot-bmc"
                   href="#/control/reboot-bmc"
                 >