Please apply the following diffs and create a pull request.
Once the PR is ready, give it a title based on the messages of the fixes being applied.

[{"message":"The command 'wget' is listed as required but is not included in the core_packages array for installation. This will cause the validation check to fail if wget is not already installed on the system.","fixFiles":[{"filePath":"setup.sh","diff":"diff --git a/setup.sh b/setup.sh\n--- a/setup.sh\n+++ b/setup.sh\n@@ -57,7 +57,7 @@\n core_packages=(\n   \"apt\" \"bash\" \"boxes\" \"cron\" \"coreutils\" \"curl\" \"dos2unix\" \"git\" \"gzip\" \"nano\" \n   \"needrestart\" \"openssl\" \"pwgen\" \"sed\" \"software-properties-common\" \"tar\" \n-  \"tzdata\" \"unattended-upgrades\" \"unzip\" \"zip\"\n+  \"tzdata\" \"unattended-upgrades\" \"unzip\" \"wget\" \"zip\"\n )\n \n apt install -qy \"${core_packages[@]}\" || {\n"}]},{"message":"The variable UBUNTU_VERSION contains a dot (e.g., '24.04'), which will cause the package name to be malformed as 'linux-generic-hwe-24.04'. This package name is invalid. Use a version without the dot, such as a codename or integer representation.","fixFiles":[{"filePath":"setup.sh","diff":"diff --git a/setup.sh b/setup.sh\n--- a/setup.sh\n+++ b/setup.sh\n@@ -221,7 +221,8 @@\n run-parts /etc/update-motd.d/\n \n # HWE\n-apt install --install-recommends \"linux-generic-hwe-${UBUNTU_VERSION}\" -y\n+UBUNTU_VERSION_NO_DOT=\"${UBUNTU_VERSION//./}\"\n+apt install --install-recommends \"linux-generic-hwe-${UBUNTU_VERSION_NO_DOT}\" -y\n \n # Update & Upgrade\n apt update --allow-releaseinfo-change -y\n"}]},{"message":"Using 'shutdown -r now' may not give users enough time to save their work or prepare for the restart, despite the 10-second sleep. Consider using 'shutdown -r +1' to provide a proper system-wide warning that can be cancelled if needed.","fixFiles":[{"filePath":"setup.sh","diff":"diff --git a/setup.sh b/setup.sh\n--- a/setup.sh\n+++ b/setup.sh\n@@ -248,4 +248,4 @@\n echo \"Server will restart in 10 seconds\"\n sleep 10\n echo \"Restarting...\"\n-shutdown -r now\n+shutdown -r +1\n"}]}]