Create a landing page

.github/workflows/deploy.yml

@@ -16,7 +16,7 @@ jobs:
       - run: yarn install
       - name: Build
         working-directory: "."
-        run: yarn run build
+        run: yarn run prepare-deployment
       - name: Deploy
         uses: JamesIves/github-pages-deploy-action@v4
         with:

.gitignore

@@ -42,4 +42,10 @@ _static/
 *.bkp
 *.dtmp
 
-syllabus/4-Smart_Contracts/*.html
+syllabus/4-Smart_Contracts/*.html
+
+## list of directories that should not be pushed
+cambridge-2022
+buenos-aires-2023
+berkeley-2023
+current