Call Scheduler v1.0.0

What's Changed

• Add MIT license by @Nimixx in #1
• Develop by @Nimixx in #2
• Remove deprecated install-wp-tests.sh by @Nimixx in #3
• Feature/settings by @Nimixx in #4

New Contributors

• @Nimixx made their first contribution in #1

Full Changelog: https://github.com/Nimixx/Call-Scheduler/commits/v1.0.0