💄(frontend) add generic favicon

The favicons were still with the dsfr color.
We added the generic favicon in the assets folder.
The favicon can be a url loaded from the theme,
so when Drive will be running, we will be able
to store the dsfr favicons there, and remove them
from the repo.

src/frontend/apps/impress/cunningham.ts

@@ -36,10 +36,6 @@ const customColors = {
   'yellow-500': '#B7A73F',
   'yellow-600': '#66673D',
 };
-tokens.themes.default.theme.colors = {
-  ...tokens.themes.default.theme.colors,
-  ...customColors,
-};
 
 tokens.themes.default.theme = {
   ...tokens.themes.default.theme,
@@ -50,6 +46,10 @@ tokens.themes.default.theme = {
       widthHeader: '',
       widthFooter: '',
     },
+    colors: {
+      ...tokens.themes.default.theme.colors,
+      ...customColors,
+    },
   },
 };
 
@@ -60,6 +60,11 @@ tokens.themes.default.components = {
     'home-proconnect': false,
     beta: false,
     'image-system-filter': '',
+    favicon: {
+      ico: '/assets/favicon-light.ico',
+      'png-light': '/assets/favicon-light.png',
+      'png-dark': '/assets/favicon-dark.png',
+    },
   },
 };
 
@@ -80,6 +85,11 @@ const dsfrTheme = {
       'la-gaufre': true,
       'home-proconnect': true,
       beta: true,
+      favicon: {
+        ico: '/assets/favicon-dsfr.ico',
+        'png-light': '/assets/favicon-dsfr.png',
+        'png-dark': '/assets/favicon-dark-dsfr.png',
+      },
     },
   },
 };