feat(client): upload origin chunk via renderer insert_mesh

crates/client/src/main.rs

@@ -178,7 +178,7 @@ impl ApplicationHandler for App {
         self.renderer
             .as_mut()
             .expect("Renderer initialized")
-            .update_mesh(&vertices, &indices)
+            .insert_mesh((0, 0, 0), &vertices, &indices, [0.0, 0.0, 0.0])
             .expect("Failed to upload terrain to GPU");
 
         // Kick off a background connect + handshake to the local server.