[cicd] add docker build workflow

bin/build-release.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+# Install the Dioxus CLI
+#cargo install dioxus-cli --version 0.7.1
+
+# Build the Dioxus web app (assumes workspace subproject at ./gui)
+cd gui
+dx build --platform web --release
+cd ..
+
+# Build the backend (proxy package)
+#cargo build --release -p proxy
+#
+## Prepare artifact directories
+#mkdir -p artifacts
+#
+## Copy Dioxus webroot (usually at gui/dist)
+#cp -r gui/dist artifacts/webroot
+#
+## Copy backend binary (proxy)
+## Finds the built binary under target/release/
+#PROXY_PATH=$(cargo metadata --format-version=1 --no-deps |
+#  jq -r '.packages[] | select(.name=="proxy") | .targets[] | select(.kind[] == "bin") | .name')
+#cp "target/release/$PROXY_PATH" "artifacts/proxy"
+#
+#echo "Artifacts have been prepared at ./artifacts"