Improve CLI README.md (#157)

cli/README.md

@@ -1,5 +1,5 @@
-Upload commands
-`npm run build`
-`SECRET_KEY=S...y node bin/index.js upload ./dist`
+# DeWeb CLI
 
-`npm run dev --  upload -w ./wallet_faker1.yaml -p faker1 ./dist`
+DeWeb CLI is a command-line tool designed for developers to manage website deployments on the Massa blockchain. It provides commands for uploading, managing, and debugging website files directly on the blockchain, simplifying the deployment process.
+
+For more information about the DeWeb CLI, how to use it, and how to upload a website to the Massa blockchain, see the [DeWeb CLI documentation](https://docs.massa.net/docs/deweb/cli/overview).