feat: update bundle ID config, CloudKit container, and add landing page

- Update CloudKit container ID to iCloud.com.88oakapps.SportsTime across all services
- Update IAP product IDs to match new bundle ID (com.88oakapps.SportsTime)
- Add app landing page with light, welcoming design matching app aesthetic
- Update entitlements and project configuration

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

SportsTime/SportsTimeDebug.entitlements

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>aps-environment</key>
+	<string>development</string>
+	<key>com.apple.developer.icloud-container-identifiers</key>
+	<array>
+		<string>iCloud.com.88oakapps.SportsTime.Debug</string>
+	</array>
+	<key>com.apple.developer.icloud-services</key>
+	<array>
+		<string>CloudKit</string>
+	</array>
+</dict>
+</plist>