Moved and renamed "SEQR onboarding"

From "Go live with SEQR" to "Customise payment" and named the link:
"Support your customers with SEQR"
Updated the heading for page "SEQR onboarding"

To "Link your app t SEQR payment"
Added result codes 97 and 98
Line break on first page
Changed heading for "Support your customers.."
Added contact email form
same as previous
Navigation overlap fix
Changed some terms om Contact page
Same as previous update
Replaced "contct" form with previous text
Highlighted mail address

Since it used to direct you to Outlook.
Format update
fixed collapsing content on contact
Merge branch 'develop'