GN-000 All content (#132)

* Scrim

* GN-101 Move focus to search when clicked

* GN-101 Close MyAccount Dropdown on meganav click

* GN-101 Close MyAccount Dropdown on meganav click

* GN-101 Styling issues across applications

* GN-101 Use bundled design system css

* GN-101 Loose grid

* GN-98 Initial guidance content

* GN-95 Now click scrim to close

* GN-101 Fix list styling variation

* GN-102 Add BNF content

* GN-102 BNFc content

* GN-102 BNF content update

* GN-103 BNFC content

* GN-104 CKS content

* GN-104 Revert nav text to abbreviation

* GN-103 Revert nav text to abbreviation

* GN-101 Code review fixes

Co-authored-by: w@rren <w@rren.dev>

* GN-102 Nitpicking css

* GN-104 Rename var

* GN-102 Pull url from services

* GN-103 Use var for url

* GN-98 Content update

* demo stuff

* GN-104 Url var

* GN-102 Spacing

* GN-103 Spacing

* GN-105 Content for standards and indicators

* GN-106 About us content

* GN-105 Update links

* GN-105 Remove standards and indicators from more

* GN-101 Fix failing tests

* GN-102 Update snapshot

* GN-103 Update snapshot

* GN-105 Update snapshot

* GN-106 Update snapshot

* GN-104 Update snapshot

* GN-98 Snapshot updated

* GN-000 Alpha services. May want renaming for UR.

* GN-000 Renamed for UR. DO NOT DEPLOY TO LIVE.

* GN-000 Snapshot updated

* GN-000 Links for UR. DO NOT DEPLOY TO LIVE

* GN-000 Prettier issue

* GN-102 Fix letters and dancing button

* GN-103 Button fix and letter link fix

* GN-103 Button dancing fix

* GN-103 Another dancing button fix attempt

* GN-106 Content link issue

* GN-105 Amend S&I base link

* Start guidance content

* AW/21 Colour Scheme

* GN-98 Guidance content

* GN-106 About us content update

* GN-109 More content

* GN-107 Pathways content

* GN-108 Remove e.preventDefault on mega menu click handler to enable links to work

* GN-108 Fix scrim

* GN-108 Add canUseDOM state to control display of dropdown menus in main nav

* Duplicate css removed

* Remove duplicate CSS

* Remove duplicate css

* Remove duplicate export

* Links to live

* Tidy up

* GN-110 Life Sciences dropdown content

* Snapshot update

Co-authored-by: w@rren <w@rren.dev>
Co-authored-by: John Davey <john.davey@nice.org.uk>