add ios automations

[shamilovtim]

Add iOS build and deploy automations

• load secrets from build ENV
• remove stale app group entitlements from iOS
• enhance gitignore
• DRY remove per platform gitignore
• add script to symlink env files to each platform (temporary until https://github.com/fastlane/fastlane/pull/21629 is merged)
• alias all automations from package.json
• improve package.json