Data Syncing between Nodes

[foysavas]

Use reqres to sync data between nodes:

• Block Header (synced first, also enables light nodes)
• Block Body (content of a block, excluding local view data)

JS

• Data sync of Block Header in JS #40
• Data sync of Block Body in JS #41

Rust

• Data sync of Block Header in Rust #42
• Data sync of Block Body in Rust #43