Deploy upon merged PR or push to the main branch (#9)

* Add site to README

* Deploy when a PR is merged in the default branch

Author: José Molina Colmenero

.github/workflows/mdbook.yml

@@ -3,7 +3,8 @@ name: Deploy mdBook site to Pages
 on:
   # Runs on pushes targeting the default branch
   push:
-    branches: [$default-branch]
+    branches:
+      - main
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -53,4 +54,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4

README.md

@@ -2,6 +2,10 @@
 
 Compilation of the coding best practices for Polkadot SDK, presented as a mdbook.
 
+## Live site
+
+🔗 https://libro.blockdeep.dev
+
 ## Installation
 
 ```shell