Update README
Update README

Delete a lot of the README in favour of linking to the site.
DilwoarH/GDS-Prototype-DM-SavedSearch,samwake/hoddat-cofc-caseworking,samwake/hoddat-cofc-caseworking,abbott567/govuk_prototype_kit,hannalaakso/accessible-timeout-warning,dwpdigitaltech/hrt-prototype,abbott567/govuk_prototype_kit,chrishanes/pvb_prisoner_proto,paulpod/invgov,joelanman/govuk_prototype_kit,hannalaakso/accessible-timeout-warning,alphagov/govuk_prototype_kit,alphagov/govuk_prototype_kit,gavinwye/govuk_prototype_kit,DilwoarH/GDS-Prototype-DM-SavedSearch,benjeffreys/hmcts-idam-proto,joelanman/govuk_prototype_kit,chrishanes/pvb_prisoner_proto,samwake/hoddat-cofc-caseworking,dwpdigitaltech/hrt-prototype,benjeffreys/hmcts-idam-proto,paulpod/invgov,alphagov/govuk_prototype_kit,chrishanes/pvb_prisoner_proto,DilwoarH/GDS-Prototype-DM-SavedSearch,joelanman/govuk_prototype_kit,paulpod/invgov,benjeffreys/hmcts-idam-proto,dwpdigitaltech/hrt-prototype,abbott567/govuk_prototype_kit,hannalaakso/accessible-timeout-warning,gavinwye/govuk_prototype_kit