announcements page added (#2479)

added columns and linked snackbar

added description and enablement to popup

added option to edit the table

multiple announcements can be displayed together

removed announcement spacing, alert icon and title label

cleaned up code and cooments

added aria label

commented out test for LA fires announcement

Author: SAUMILDHANKAR

client/src/Routes.jsx

@@ -53,6 +53,7 @@ const MuiDemo = lazy(() => import("./components/MuiDemo/MuiDemo"));
 const Features = lazy(() => import("./components/Admin/Features"));
 const Profile = lazy(() => import("./components/Account/Profile"));
 const Suggestion = lazy(() => import("components/FoodSeeker/Suggestion"));
+const Announcements = lazy(() => import("./components/Admin/Announcements"));
 
 export default function AppRoutes() {
   const hasUserFeedbackSuveyFeatureFlag = useFeatureFlag("userFeedbackSurvey");
@@ -181,6 +182,14 @@ export default function AppRoutes() {
                 </PrivateRoute>
               }
             />
+            <Route
+              path="announcements"
+              element={
+                <PrivateRoute roles={["isAdmin"]}>
+                  <Announcements />
+                </PrivateRoute>
+              }
+            />
             <Route
               path="securityadmindashboard"
               element={