chore: Codespace Improvements (#4867)

- switch to ubuntu base image
- use rbenv to manage ruby 
- add gh to base image

.devcontainer/scripts/setup.sh

@@ -6,3 +6,8 @@ sed -i -e "/FRONTEND_URL/ s/=.*/=https:\/\/$CODESPACE_NAME-3000.githubpreview.de
 sed -i -e "/WEBPACKER_DEV_SERVER_PUBLIC/ s/=.*/=https:\/\/$CODESPACE_NAME-3035.githubpreview.dev/" .env
 # uncomment the webpacker env variable
 sed -i -e '/WEBPACKER_DEV_SERVER_PUBLIC/s/^# //' .env
+# fix the error with webpacker
+echo 'export NODE_OPTIONS=--openssl-legacy-provider' >> ~/.bashrc
+
+# codespaces make the ports public
+gh codespace ports visibility 3000:public 3035:public 8025:public -c $CODESPACE_NAME