feat: ✨ server side basics

src/lib.rs

@@ -1,2 +1,17 @@
+use std::net::IpAddr;
+
 pub mod block;
 pub mod blockchain;
+pub mod network;
+mod test;
+pub mod utils;
+
+pub enum Runner {
+    Server,
+    Client,
+}
+pub struct ServerConfig {
+    pub server_address: IpAddr,
+    pub port: u16,
+    pub difficulty: u8,
+}