Remove hardcoded Zoho credentials - now users input credentials through frontend

templates/settings.html

@@ -30,6 +30,20 @@
                         <div class="form-text">The email address that will be checked for new messages.</div>
                     </div>
                     
+                    <div class="mb-3">
+                        <label for="zoho_email" class="form-label">Zoho Email Address</label>
+                        <input type="email" class="form-control" id="zoho_email" name="zoho_email" 
+                               value="{{ config.zoho_email }}" required>
+                        <div class="form-text">Your Zoho email address for IMAP access.</div>
+                    </div>
+                    
+                    <div class="mb-3">
+                        <label for="zoho_app_password" class="form-label">Zoho App Password</label>
+                        <input type="password" class="form-control" id="zoho_app_password" name="zoho_app_password" 
+                               value="{{ config.zoho_app_password }}" required>
+                        <div class="form-text">App password for Zoho IMAP access (not your regular password).</div>
+                    </div>
+                    
                     <div class="mb-3">
                         <label for="email_days_back" class="form-label">Email Range (Days)</label>
                         <input type="number" class="form-control" id="email_days_back" name="email_days_back"