🐛 fix(dh): change variable name from TERMINAL to terminal

The variable TERMINAL has been renamed to terminal to improve consistency with the naming conventions. The change has been made in multiple places in the code.

dh

@@ -72,7 +72,7 @@ do
 		DH_CONFIG_DIR="$(pwd)"
 		DH_ICON_DIR="$(pwd)/icons"
 		portable_prefix='./'
-		#export "VMS_DIR" "DH_CONFIG_DIR" "DH_ICON_DIR" "TERMINAL" "replace" "portable_prefix"
+		#export "VMS_DIR" "DH_CONFIG_DIR" "DH_ICON_DIR" "terminal" "replace" "portable_prefix"
 	}
 
 	function work_in_choosed_dir() {
@@ -104,9 +104,9 @@ do
 		DH_ICON_DIR="/usr/share/icons/distrohopper"
 		PATH_PREFIX="/usr/bin/"
 		TMP_DIR="/tmp"
-		TERMINAL="sakura"
+		terminal="sakura"
 		replace='"!"'
-		#export "DH_CONFIG_DIR" "DH_CONFIG" "replace" "DH_ICON_DIR" "PATH_PREFIX" "TMP_DIR" "TERMINAL"
+		#export "DH_CONFIG_DIR" "DH_CONFIG" "replace" "DH_ICON_DIR" "PATH_PREFIX" "TMP_DIR" "terminal"
 		check_and_set_mode
 		# Set traps to catch the signals and exit gracefully
 		trap "exit" INT
@@ -586,56 +586,56 @@ EOF
 		select term in alacritty foot gnome-terminal kitty konsole mate-terminal roxterm sakura st tilix xfce4-terminal xterm custom; do
 			case $term in
 				alacritty)
-					export TERMINAL=alacritty
+					export terminal=alacritty
 					break
 					;;
 				foot)
-					export TERMINAL=foot
+					export terminal=foot
 					break
 					;;
 				gnome-terminal)
-					export TERMINAL=gnome-terminal
+					export terminal=gnome-terminal
 					break
 					;;
 				kitty)
-					export TERMINAL=kitty
+					export terminal=kitty
 					break
 					;;
 				konsole)
-					export TERMINAL=konsole
+					export terminal=konsole
 					break
 					;;
 				mate-terminal)
-					export TERMINAL=mate-terminal
+					export terminal=mate-terminal
 					break
 					;;
 				roxterm)
-					export TERMINAL=roxterm
+					export terminal=roxterm
 					break
 					;;
 				sakura)
-					export TERMINAL=sakura
+					export terminal=sakura
 					break
 					;;
 				st)
-					export TERMINAL=st
+					export terminal=st
 					break
 					;;
 				tilix)
-					export TERMINAL=tilix
+					export terminal=tilix
 					break
 					;;
 				xfce4-terminal)
-					export TERMINAL=xfce4-terminal
+					export terminal=xfce4-terminal
 					break
 					;;
 				xterm)
-					export TERMINAL=xterm
+					export terminal=xterm
 					break
 					;;
 				custom)
 					read -p "Enter the command to launch your preferred terminal emulator: " custom_terminal
-					export TERMINAL=$custom_terminal
+					export terminal=$custom_terminal
 					break
 					;;
 				*)
@@ -644,7 +644,7 @@ EOF
 			esac
 		done
 
-		echo "Default terminal set to $TERMINAL."
+		echo "Default terminal set to $terminal."
 	}