✨(frontend) integrate configurable Waffle

Integrate Waffle component based on LaGaufreV2
from @gouvfr-lasuite/ui-kit.
Waffle will be fully configurable via the app config,
allowing to be set through environment variables
and api-provided configuration.

src/frontend/apps/impress/cunningham.ts

@@ -26,7 +26,6 @@ const themeWhiteLabelLight = getUIKitThemesFromGlobals(whiteLabelGlobals, {
         widthHeader: '',
         widthFooter: '',
       },
-      'la-gaufre': false,
       'home-proconnect': false,
       icon: {
         src: '/assets/icon-docs.svg',
@@ -64,7 +63,6 @@ const themesDSFRLight = getUIKitThemesFromGlobals(dsfrGlobals, {
         widthFooter: '220px',
         alt: 'Gouvernement Logo',
       },
-      'la-gaufre': true,
       'home-proconnect': true,
       icon: {
         src: '/assets/icon-docs-dsfr.svg',