Update install.func: Install figlet on all new LXC

misc/install.func

@@ -107,6 +107,39 @@ msg_error() {
   local msg="$1"
   echo -e "${BFR}${CROSS}${RD}${msg}${CL}"
 }
+install_figlet(){
+  if ! command -v figlet &> /dev/null; then
+    
+    # Install necessary dependencies and figlet
+    if [ -f /etc/debian_version ] || [ -f /etc/lsb-release ]; then
+      apt-get update -y &> /dev/null
+      apt-get install -y tar build-essential curl &> /dev/null
+    elif [ -f /etc/alpine-release ]; then
+      apk add --no-cache tar build-base curl&> /dev/null
+      export TERM=xterm
+    else
+      return 1
+    fi
+    temp_dir=$(mktemp -d)
+    curl -sL https://github.com/community-scripts/ProxmoxVE/raw/refs/heads/main/misc/figlet.tar.xz -o "$temp_dir/figlet.tar.xz"
+    mkdir -p /tmp/figlet
+    tar -xf "$temp_dir/figlet.tar.xz" -C /tmp/figlet --strip-components=1
+    cd /tmp/figlet
+    # Run make to compile the figlet binary
+    make >/dev/null
+    # Check if the figlet binary exists
+    if [ -f "figlet" ]; then
+      chmod +x figlet
+      # Move figlet to /usr/local/bin if not already there
+      if [ ! -e /usr/local/bin/figlet ]; then
+        mv figlet /usr/local/bin/
+        mkdir -p /usr/local/share/figlet
+        cp -r /tmp/figlet/fonts/*.flf /usr/local/share/figlet/
+      fi
+    fi
+    rm -rf "$temp_dir"
+  fi
+}
 
 # This function sets up the Container OS by generating the locale, setting the timezone, and checking the network connection
 setting_up_container() {
@@ -255,4 +288,5 @@ EOF
   fi
   echo "bash -c \"\$(wget -qLO - https://github.com/community-scripts/ProxmoxVE/raw/main/ct/${app}.sh)\"" >/usr/bin/update
   chmod +x /usr/bin/update
+  install_figlet
 }