add auto install for unzip

setup.sh

@@ -24,6 +24,13 @@ if [ -z "$INSTALL_GITEA" ] || [[ "$INSTALL_GITEA" != "y" && "$INSTALL_GITEA" !=
 				exit 0
 
 			elif [[ "$LOCAL_PATH" == *.zip ]]; then
+				# check if unzip is installed
+				if ! command -v unzip &> /dev/null; then
+					echo "unzip could not be found, installing it ..."
+					sudo apt-get update
+					sudo apt-get install unzip
+				fi
+
 				echo "Extracting compressed file ..."
 				sudo unzip "$LOCAL_PATH" -d .
 				exit 0