Fix iOS osVersion value

Fix payload screen-size nullability

Fix Sec-Fetch-* headers

Fix Sec-Fetch-* headers

• Improve headers management: collect client hints and fetch metadata

• Add event tracking feature
• Add manual integration feature
• Upgrade libraries versions

Add Sec-Fetch-* Headers in Payload

• Add Sec-Fetch-* Headers
• Fix Typo in Payload

Introduce support of Fetch Metadata headers

• Improve headers Management: Collect Fetch Metadata