feat: use improved watcher/rebuilder script

Please see [1] for the discussion and [2] for the code review.

[1] https://discussion.fedoraproject.org/t/improved-build-script-for-doc-repos-with-change-detection/40920/10
[2] https://pagure.io/neuro-sig/documentation/pull-request/23

build.sh

@@ -1,52 +1,3 @@
-#!/bin/sh
+#!/bin/bash
 
-image="docker.io/antora/antora"
-cmd="--html-url-extension-style=indexify site.yml"
-
-if uname | grep -iwq darwin; then
-    # Running on macOS.
-    # Let's assume that the user has the Docker CE installed
-    # which doesn't require a root password.
-    echo ""
-    echo "This build script is using Docker container runtime to run the build in an isolated environment."
-    echo ""
-    docker run --rm -it -v "$(pwd):/antora" "${image}" ${cmd}
-
-elif uname | grep -iq linux; then
-    # Running on Linux.
-    # there isn't an antora/aarch64 container, antora can be installed locally
-    # Check whether podman is available, else faill back to docker
-    # which requires root.
-
-    if [ -f /usr/local/bin/antora ]; then
-        /usr/local/bin/antora "${cmd}"
-    elif uname -m | grep -iwq aarch64; then
-        echo "no antora/aarch64 container try just \`npm install -g @antora/cli @antora/site-generator-default\`"
-    elif [ -f /usr/bin/podman ]; then
-        echo ""
-        echo "This build script is using Podman to run the build in an isolated environment."
-        echo ""
-        podman run --rm -it -v "$(pwd):/antora:z" "${image}" ${cmd}
-
-    elif [ -f /usr/bin/docker ]; then
-        echo ""
-        echo "This build script is using Docker to run the build in an isolated environment."
-        echo ""
-
-        if groups | grep -wq "docker"; then
-            docker run --rm -it -v "$(pwd):/antora:z" "${image}" ${cmd}
-        else
-            echo "You might be asked for your password."
-            echo "You can avoid this by adding your user to the 'docker' group,"
-            echo "but be aware of the security implications."
-            echo "See https://docs.docker.com/install/linux/linux-postinstall/"
-            echo ""
-            sudo docker run --rm -it -v "$(pwd):/antora:z" "${image}" ${cmd}
-        fi
-    else
-        echo ""
-        echo "Error: Container runtime haven't been found on your system. Fix it by:"
-        echo "$ sudo dnf install podman"
-        exit 1
-    fi
-fi
+echo "Deprecated. Use the builder.sh script instead"