Rebrand entire project from Feels to Reflect

Complete rename across all bundle IDs, App Groups, CloudKit containers,
StoreKit product IDs, data store filenames, URL schemes, logger subsystems,
Swift identifiers, user-facing strings (7 languages), file names, directory
names, Xcode project, schemes, assets, and documentation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Shared/Views/IAPWarningView.swift

@@ -1,6 +1,6 @@
 //
 //  IAPWarningView.swift
-//  Feels
+//  Reflect
 //
 //  Trial warning banner shown at bottom of Month/Year views.
 //
@@ -53,7 +53,7 @@ struct IAPWarningView: View {
         .padding()
         .background(theme.currentTheme.secondaryBGColor)
         .sheet(isPresented: $showSubscriptionStore) {
-            FeelsSubscriptionStoreView(source: "iap_warning")
+            ReflectSubscriptionStoreView(source: "iap_warning")
         }
     }
 }