feat: added screen APIs

[Shahroz16]

closes: https://linear.app/customerio/issue/MBL-216/track-a-screen-view-manually

• Added public APIs to track screen events
• Update sample apps to utilize the new APIs

Tests are going to follow in the next PR when the base setup PR is merged.

[github-actions[bot]]

# 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. --- * java_layout: `shahroz/mbl-216-track-screen (1715605005)` * kotlin_compose: `shahroz/mbl-216-track-screen (1715604991)`

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 53.64%. Comparing base (6ca43c5) to head (1256e51).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## shahroz/mbl-212-track-event #329 +/- ## ================================================================= - Coverage 53.73% 53.64% -0.09% Complexity 276 276 ================================================================= Files 105 105 Lines 2466 2466 Branches 345 345 ================================================================= - Hits 1325 1323 -2 Misses 1024 1024 - Partials 117 119 +2 ```

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[github-actions[bot]]

Build available to test Version: shahroz-mbl-216-track-screen-SNAPSHOT Repository: https://s01.oss.sonatype.org/content/repositories/snapshots/

[github-actions[bot]]

📏 SDK Binary Size Comparison Report

No changes detected in SDK binary size ✅