Add initial server implementation

This adventure is going to be epic, be ready.

board-network/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "board-network"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1.0.152", features = ["derive"] }
+board-shared = { path = "../board-shared" }