* doc updates, pr / issue templates

* adjusted markup

Update the "host machine OS" description to be more appropriate for mobile devices.  Instead of mentioning Linux or Windows, ask the user to tell their Mobile device and Android version

Co-authored-by: Hee Tatt Ooi <hee.tatt.ooi@sap.com>
Co-authored-by: Jakob Möller <jakob.moeller@sap.com>
Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>
Co-authored-by: marcmuschko <marc.muschko@sap.com>

Co-authored-by: Hee Tatt Ooi <hee.tatt.ooi@sap.com>
Co-authored-by: Jakob Möller <jakob.moeller@sap.com>
Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>
Co-authored-by: marcmuschko <marc.muschko@sap.com>