add build script

build.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+info() {
+  echo
+  echo ">>>>>>>>>>>>>>>>>>>>>>>>>>> $1"
+  echo
+}
+
+source /home/$USER/.cargo/env
+
+cd "$(dirname "$0")"
+
+info "Pulling git"
+git pull
+
+cd frontend
+
+info "Building WASM package"
+cargo update
+wasm-pack build
+
+cd www
+info "Building frontend with npm"
+npm run build
+
+cd ../..
+cd backend
+
+info "Building backend with cargo --release"
+cargo update
+cargo build --release