Added lshw module to flatpak manifest since it is not present in the gnome runtime but is used by Nutty as specified in nutty_cli_script.sh shell script.Also removed the canberra-gtk-module from flatpak manifest as it is not required.Made few typos changes in the Build Instructions of flatpak
Added lshw module to flatpak manifest since it is not present in the gnome runtime but is used by Nutty as specified in nutty_cli_script.sh shell script.Also removed the canberra-gtk-module from flatpak manifest as it is not required.Made few typos changes in the Build Instructions of flatpak