Add setting to toggle light/dark mode

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/i18n/en_US.json

@@ -1408,5 +1408,14 @@
   "Most recently published": "Most recently published",
   "Least recently published": "Least recently published",
   "With the most participants": "With the most participants",
-  "Number of members": "Number of members"
-}
+  "Number of members": "Number of members",
+  "More options": "More options",
+  "Reported by someone anonymously": "Reported by someone anonymously",
+  "Back to homepage": "Back to homepage",
+  "Category list": "Category list",
+  "No categories with public upcoming events on this instance were found.": "No categories with public upcoming events on this instance were found.",
+  "Theme": "Theme",
+  "Adapt to system theme": "Adapt to system theme",
+  "Light": "Light",
+  "Dark": "Dark"
+}

js/src/i18n/fr_FR.json

@@ -1406,5 +1406,14 @@
   "{timezoneLongName} ({timezoneShortName})": "{timezoneLongName} ({timezoneShortName})",
   "{title} ({count} todos)": "{title} ({count} todos)",
   "{username} was invited to {group}": "{username} a été invité à {group}",
-  "© The OpenStreetMap Contributors": "© Les Contributeur⋅ices OpenStreetMap"
+  "© The OpenStreetMap Contributors": "© Les Contributeur⋅ices OpenStreetMap",
+  "More options": "Plus d'options",
+  "Reported by someone anonymously": "Signalé par quelqu'un anonymement",
+  "Back to homepage": "Retour à la page d'accueil",
+  "Category list": "Liste des catégories",
+  "No categories with public upcoming events on this instance were found.": "Aucune catégorie avec des événements publics à venir n'a été trouvée.",
+  "Theme": "Thème",
+  "Adapt to system theme": "S’adapter au thème du système",
+  "Light": "Clair",
+  "Dark": "Sombre"
 }