feat: update feature docs

Author: NataliiaPodp

docs/guides/feature-configuration.md

@@ -29,6 +29,15 @@ you may need to obtain the user's consent before establishing such connections
     of the page. To change the text of the banner, overwrite the corresponding
     translations.
 
+## Secondary Call to Action (CTA)
+
+The Event theme includes an optional **secondary call to action (CTA)** to engage users in additional actions related to the event, such as submitting a talk, joining a newsletter, participating in a giveaway, or other actions.
+
+### Parameters
+
+-   `secondaryCallToAction.label`: The label for the secondary CTA button that typically appears in the event banner.
+-   `secondaryCallToAction.url`: The URL to which users are redirected when they click the secondary CTA button.
+
 ## Countdown
 
 The home page displays a countdown that counts down till the start of the event.

layouts/partials/sections/event-title.html

@@ -27,14 +27,16 @@ <h2 class="event-title-section__subheading">
         <div class="event-title-section__footer-buttons">
             {{- partial "cta/button.html" (dict "eventbriteId" $input.eventbriteId "ctaUrl" $input.ctaUrl "buttonClass" "button--scaled") }}
 
-            {{- with $input.ctaSecondary.url }}
-                <a
-                    href="{{ . }}"
-                    class="button button--outlined button--scaled"
-                    rel="noopener noreferrer external"
-                    target="_blank">
-                    {{ $input.ctaSecondary.label }}
-                </a>
+            {{- with $input.ctaSecondary }}
+                {{- if .url }}
+                    <a
+                        href="{{ .url }}"
+                        class="button button--outlined button--scaled"
+                        rel="noopener noreferrer external"
+                        target="_blank">
+                        {{ .label }}
+                    </a>
+                {{- end }}
             {{- end }}
         </div>
     </div>