Add translation keys for verify email page (#1503)

* Begin Work

* Begin Work

* WIP

* Finish Work

* Fix lint error

* Re-organize keys on E-mail verification page (#12)

- Group messages by the step
- Use simpler keys for message properties as they're not public
- Change message keys to conform to conventions

---------

Co-authored-by: Sasha Sorokin <10401817+brawaru@users.noreply.github.com>
Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

locales/en-US/index.json

@@ -1,4 +1,37 @@
 {
+  "auth.verify-email.action.account-settings": {
+    "message": "Account settings"
+  },
+  "auth.verify-email.action.sign-in": {
+    "message": "Sign in"
+  },
+  "auth.verify-email.already-verified.description": {
+    "message": "Your email is already verified!"
+  },
+  "auth.verify-email.already-verified.title": {
+    "message": "Email already verified"
+  },
+  "auth.verify-email.failed-verification.action": {
+    "message": "Resend verification email"
+  },
+  "auth.verify-email.failed-verification.description": {
+    "message": "We were unable to verify your email. Try re-sending the verification email through your dashboard by signing in."
+  },
+  "auth.verify-email.failed-verification.description.logged-in": {
+    "message": "We were unable to verify your email. Try re-sending the verification email through the button below."
+  },
+  "auth.verify-email.failed-verification.title": {
+    "message": "Email verification failed"
+  },
+  "auth.verify-email.post-verification.description": {
+    "message": "Your email address has been successfully verified!"
+  },
+  "auth.verify-email.post-verification.title": {
+    "message": "Email verification"
+  },
+  "auth.verify-email.title": {
+    "message": "Verify Email"
+  },
   "auth.reset-password.method-choice.action": {
     "message": "Send recovery email"
   },