Add power supplies table to hardware status page

Adds items at /redfish/v1/Chassis/chassis/Power endpoint in
Power supplies table. Table is sortable and has a row expansion
to view details.

- Table sort mixin to reuse sort method for status values

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Ib2953ad06be3fa25e9dbbbed34e37d09154431f5
diff --git a/src/store/index.js b/src/store/index.js
index 44b8ded..8479a27 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -15,6 +15,7 @@
 import SensorsStore from './modules/Health/SensorsStore';
 import ServerLedStore from './modules/Control/ServerLedStore';
 import SystemStore from './modules/Health/SystemStore';
+import PowerSupplyStore from './modules/Health/PowerSupplyStore';
 
 import WebSocketPlugin from './plugins/WebSocketPlugin';
 
@@ -33,6 +34,7 @@
     hostBootSettings: BootSettingsStore,
     controls: ControlStore,
     powerControl: PowerControlStore,
+    powerSupply: PowerSupplyStore,
     networkSettings: NetworkSettingStore,
     eventLog: EventLogStore,
     sensors: SensorsStore,