Add build and check scripts for CI

scripts/build.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Building app..."
+VITE_APP_VERSION=$(node -p "require('./package.json').version") npm run build
+

scripts/check.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Running Svelte sync..."
+npx svelte-kit sync
+
+echo "Running svelte-check (fail on warnings)..."
+npx svelte-check --tsconfig ./tsconfig.json --fail-on-warnings
+