Cleaned up podspecs, added publishing script.

[matux]

Description of the change

This PR cleans up the current podspec files and adds a cocoapods publishing script that automatically lints and publishes to the cocoapods in order of dependency registry.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Maintenance
• New release

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers assigned
• Issue from task tracker has a link to this pull request
• Changes have been reviewed by at least one other engineer

[cyrusradfar]

Thank you. This will make it easier for our contributors, going forward, to dive in and release faster.