chore: show prompt for push permissions and get push status methods

[ami-aman]

Linear ticket: https://linear.app/customerio/issue/MBL-533/show-push-prompt-and-push-permission-status-in-ios-and-android-rn

Problem:

To provide feature to show push permission prompt and get current status of push permission status using customerio-reactnative package.

Solution:

Provide APIs to fetch current push permission status and show a prompt to request push permissions from the user.

Changes:

This PR includes changes as following:

• iOS push notification class with API showPromptForPushNotifications and getPushPermissionStatus
• On TS end, the APIs have been moved from Tracking module to Push module
• sample app fixes to consume the APIs
• Android fixes
• Few Todos have been removed

Screenshots:

[github-actions]

Sample app builds 📱

Below you will find the list of the latest versions of the sample apps. It's recommended to always download the latest builds of the sample apps to accurately test the pull request.

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• FCM: Build failed. See CI job logs to determine the issue and try re-building.
• APN: Build failed. See CI job logs to determine the issue and try re-building.