Update install.func

added code descriptions

misc/install.func

@@ -1,3 +1,4 @@
+# This function sets color variables for formatting output in the terminal
 color() {
   YW=$(echo "\033[33m")
   BL=$(echo "\033[36m")
@@ -14,6 +15,7 @@ color() {
   HOLD="-"
 }
 
+# This function enables IPv6 if it's not disabled and sets verbose mode if the global variable is set to "yes"
 verb_ip6() {
   if [ "$VERBOSE" = "yes" ]; then
     set -x
@@ -26,11 +28,13 @@ verb_ip6() {
   fi
 }
 
+# This function sets error handling options and defines the error_handler function to handle errors
 catch_errors() {
   set -Eeuo pipefail
   trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 }
 
+# This function handles errors
 error_handler() {
   local exit_code="$?"
   local line_number="$1"
@@ -42,21 +46,25 @@ error_handler() {
   fi
 }
 
+# This function prints an informational message
 msg_info() {
   local msg="$1"
   echo -ne " ${HOLD} ${YW}${msg}..."
 }
 
+# This function prints a success message
 msg_ok() {
   local msg="$1"
   echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
+# This function prints an error message
 msg_error() {
   local msg="$1"
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }
 
+# This function sets up the Container OS by generating the locale, setting the timezone, and checking the network connection
 setting_up_container() {
   msg_info "Setting up Container OS"
   sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
@@ -79,6 +87,7 @@ setting_up_container() {
   msg_ok "Network Connected: ${BL}$(hostname -I)"
 }
 
+# This function checks the network connection by pinging a known IP address and prompts the user to continue if the internet is not connected
 network_check() {
   set +e
   trap - ERR
@@ -98,6 +107,7 @@ network_check() {
   trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 }
 
+# This function updates the Container OS by running apt-get update and upgrade
 update_os() {
   msg_info "Updating Container OS"
   $STD apt-get update
@@ -105,6 +115,7 @@ update_os() {
   msg_ok "Updated Container OS"
 }
 
+# This function modifies the message of the day (motd) and SSH settings
 motd_ssh() {
   echo "export TERM='xterm-256color'" >>/root/.bashrc
   echo -e "$APPLICATION LXC provided by https://tteck.github.io/Proxmox/\n" >/etc/motd
@@ -115,6 +126,7 @@ motd_ssh() {
   fi
 }
 
+# This function customizes the container by modifying the getty service and enabling auto-login for the root user
 customize() {
   if [[ "$PASSWORD" == "" ]]; then
   msg_info "Customizing Container"