v3.1.0

Changelog:

• RN 0.73 support
• Updated iOS SDK to 4.5.1
• Updated Android SDK to 4.2.4
• Added new createFingerprint method
• New sendEvent structure with event metadata
• Fixed iOS init checks

What's Changed

• Feature/update rn and dependencies by @AndrewKuliahin96 in #49

Full Changelog: v3.0.0...v3.1.0