Start work on connecting to RPC endpoint

Co-Authored-By: Antonio Scandurra <me@as-cii.com>

zed-rpc/src/lib.rs

@@ -1,2 +1,3 @@
 pub mod auth;
 pub mod proto;
+pub mod rest;

zed-rpc/src/rest.rs

@@ -0,0 +1,7 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct CreateWorktreeResponse {
+    pub worktree_id: u64,
+    pub rpc_address: String,
+}