chore: use ./boss script in dockerfile and README

Dockerfile

@@ -40,6 +40,7 @@ ENV NODE_ENV=production
 USER node
 
 COPY --chown=node:node update-rotation.mjs ${app_dir}
+COPY --chown=node:node ./boss ${app_dir}
 COPY --chown=node:node package.json .
 
 COPY --from=dependencies --chown=node:node ${app_dir}/node_modules ${app_dir}/node_modules

README.md

@@ -52,7 +52,7 @@ The CLI is a helper to interact with the content of the BOSS server.
 
 ```sh
 npm run build
-npm run cli -- --help
+./boss --help
 ```
 
 ## CLI configuration