CI: Build and publish (#7)

Reviewed-on: https://git.unlock-music.dev/um/lib_um_crypto_rust/pulls/7
Co-authored-by: 鲁树人 <lu.shuren@um-react.app>
Co-committed-by: 鲁树人 <lu.shuren@um-react.app>

um_wasm_loader/ci_publish.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [[ -z "${DRONE_TAG}" ]]; then
+    echo "skip package publish, pack only."
+    pnpm pack
+    exit 0
+fi
+
+echo '//git.unlock-music.dev/api/packages/um/npm/:_authToken=${NPM_TOKEN}' > $HOME/.npmrc
+pnpm publish --access=public --no-git-checks