send email to solicitor to agree to transact
Merge pull request #78 from LandRegistry/send_email_notification

send email to solicitor to agree to transact
Fleshing out 'agree to transact' done page
Adding link to authorise solicitor section
Merge pull request #79 from LandRegistry/agree-to-transact-done

Fleshing out 'agree to transact' done page
Merge pull request #80 from LandRegistry/link-auth-solicitor

Adding link to authorise solicitor section
basic ida
Merge pull request #81 from LandRegistry/signin

basic ida
Add skeleton for initiate exchange