feat: add email sign up alert (#61218)

Co-authored-by: Niraj Nandish <nirajnandish@icloud.com>
Co-authored-by: Mrugesh Mohapatra <1884376+raisedadead@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

api/src/routes/protected/user.test.ts

@@ -151,7 +151,8 @@ const testUserData: Prisma.userCreateInput = {
   ],
   yearsTopContributor: ['2018'],
   twitter: '@foobar',
-  linkedin: 'linkedin.com/foobar'
+  linkedin: 'linkedin.com/foobar',
+  sendQuincyEmail: false
 };
 
 const minimalUserData: Prisma.userCreateInput = {
@@ -301,6 +302,7 @@ const publicUserData = {
   profileUI: testUserData.profileUI,
   savedChallenges: testUserData.savedChallenges,
   twitter: 'https://twitter.com/foobar',
+  sendQuincyEmail: testUserData.sendQuincyEmail,
   username: testUserData.username,
   usernameDisplay: testUserData.usernameDisplay,
   website: testUserData.website,