update camera base URL, enhance alert context, and improve history list functionality

src/context/reducers/AlertReducers.ts

@@ -50,6 +50,13 @@ export function reducer(state: AlertState, action: AlertPayload) {
       };
     }
 
+    case "DELETE": {
+      return {
+        ...state,
+        alertList: action.payload,
+      };
+    }
+
     default:
       return { ...state };
   }