Add Emergency contact feature

Signed-off-by: thelittlefireman <thelittlefireman@users.noreply.github.com>

src/api/core/accounts.rs

@@ -89,7 +89,12 @@ fn register(data: JsonUpcase<RegisterData>, conn: DbConn) -> EmptyResult {
 
                 user
             } else if CONFIG.is_signup_allowed(&email) {
-                err!("Account with this email already exists")
+                // check if it's invited by emergency contact
+                if EmergencyAccess::find_invited_by_grantee_email(&data.Email, &conn).is_some() {
+                    user
+                } else {
+                    err!("Account with this email already exists")
+                }
             } else {
                 err!("Registration not allowed or user already exists")
             }