Rename iFeels to Feels across entire codebase

- Bundle IDs: com.tt.ifeel* → com.tt.feels*
- App Groups: group.com.tt.ifeel* → group.com.tt.feels*
- iCloud containers: iCloud.com.tt.ifeel* → iCloud.com.tt.feels*
- IAP product IDs: com.tt.ifeel.IAP.* → com.tt.feels.IAP.*
- URLs: ifeels.app → feels.app
- Logger subsystems and dispatch queues
- Product names and display names

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Configuration.storekit

@@ -92,7 +92,7 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "com.tt.ifeel.IAP.subscriptions.monthly",
+          "productID" : "com.tt.feels.IAP.subscriptions.monthly",
           "recurringSubscriptionPeriod" : "P1M",
           "referenceName" : "Monthly",
           "subscriptionGroupID" : "2CFE4C4F",
@@ -120,7 +120,7 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "com.tt.ifeel.IAP.subscriptions.yearly",
+          "productID" : "com.tt.feels.IAP.subscriptions.yearly",
           "recurringSubscriptionPeriod" : "P1Y",
           "referenceName" : "Yearly",
           "subscriptionGroupID" : "2CFE4C4F",