Add onboarding image carousel

Bundle the rotating onboarding illustrations (light/dark) and wire them
into the Android onboarding info component, matching the iOS carousel.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Cable/Loads/OnboardingInfoView.swift

@@ -141,8 +141,8 @@ extension OnboardingInfoView.Configuration {
             subtitle: LocalizedStringKey("battery.onboarding.subtitle"),
             primaryActionTitle: LocalizedStringKey("battery.overview.empty.create"),
             primaryActionIcon: "plus",
-            secondaryActionTitle: nil,
-            secondaryActionIcon: nil,
+            secondaryActionTitle: LocalizedStringKey("loads.overview.empty.library"),
+            secondaryActionIcon: "books.vertical",
             imageNames: [
                 "battery-onboarding"
             ]
@@ -155,8 +155,8 @@ extension OnboardingInfoView.Configuration {
             subtitle: LocalizedStringKey("chargers.onboarding.subtitle"),
             primaryActionTitle: LocalizedStringKey("chargers.onboarding.primary"),
             primaryActionIcon: "plus",
-            secondaryActionTitle: nil,
-            secondaryActionIcon: nil,
+            secondaryActionTitle: LocalizedStringKey("loads.overview.empty.library"),
+            secondaryActionIcon: "books.vertical",
             imageNames: [
                 "charger-onboarding"
             ]