added delete functionality and updated button styles

src/context/reducers/AlertReducers.ts

@@ -41,6 +41,15 @@ export function reducer(state: AlertState, action: AlertPayload) {
       }
     }
 
+    case "REMOVE": {
+      return {
+        ...state,
+        alertList: state.alertList.filter(
+          (alertItem) => alertItem.vrm !== action.payload.vrm
+        ),
+      };
+    }
+
     default:
       return { ...state };
   }