make logo path variable

_config.yml

@@ -103,4 +103,5 @@ accept_all_text: >-
 only_necessary_text: >-
   Only necessary cookies accepted
 path_policy: privacy-policy
-timeout_hidebanner: 500 # milliseconds
\ No newline at end of file
+logo_policy: /assets/banners/r3-logo.svg
+timeout_hidebanner: 500 # milliseconds

_includes/gdpr-banner.html

@@ -4,7 +4,7 @@
             <a class="lap-refuse"><i class="fa fa-times" aria-hidden="true"></i></a>
         </div>
         <div class="banner-img">
-            <img src="{{ '/assets/banners/r3-logo.svg' | relative_url }}" type="image/svg+xml" />
+            <img src="{{ site.logo_policy | relative_url }}" type="image/svg+xml" />
         </div>
         <div class="banner-title">{{ site.banner_title }}</div>
         <div class="banner-text">{{ site.banner_text }}</div>