add text about CDN

misc/init0.sh

@@ -0,0 +1,16 @@
+echo -e "Read carefully throughout this script and correct it for your needs.
+Then run it as root. Are you ready? (y/N)"
+read ready
+# default answer: answer not set or it's first letter is not `y` or `Y`
+if [ -v $ready ] || ([ ${ready::1} != "y" ] && [ ${ready::1} != "Y" ])
+then
+    exit 1
+fi
+
+dnf update --assumeyes
+
+# - vim is a cool text editor
+# - iproute is needed for `ss` command, to see which ports are already in use
+# - you need podman if plan to use Cloudflare CDN
+# - jq and openssl are needed for easy-xray
+dnf install --assumeyes podman openssl jq vim iproute