chore: fix netlify build

Author: RIP21

netlify.toml

@@ -1,6 +1,6 @@
 [build.environment]
-  NODE_VERSION = "20"
+  NODE_VERSION = "16"
   NPM_FLAGS = "--version" # prevent Netlify npm install
 [build]
   publish = "./dist"
-  command = "npx pnpm i --store=node_modules/.pnpm-store --frozen-lockfile && npm run build:demo"
+  command = "npm i pnpm -g && pnpm install && pnpm run build:demo"