Fixes #91 - Homepage duplicate in Polish for SEM

includes/abb-cross-promotion.tmpl

Index: includes/abb-cross-promotion.tmpl
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new file mode 100644
--- /dev/null
+++ b/includes/abb-cross-promotion.tmpl
@@ -0,0 +1,38 @@
+<section id="abb-cross-promotion" class="bg-secondary">
+  <div class="container phablet-width content text-center">
+    <h2 class="h1">
+      {{ "Want to block ads and disable tracking on <span class='avoid-wrap'>mobile devices?</span>" | translate("abb-cross-promotion-heading", "Heading") }}
+    </h2>
+
+    <figure>
+      <img src="/img/abb-logo.png" 
+            alt="{{ "Adblock Browser icon against a shield" | translate("abb-full-logo-alt", "Alt text") }}"
+            id="abb-logo">
+      <figcaption>
+        <h3>
+          {{ "Adblock Browser App" | translate("abb-cross-promotion-subheading", "Heading") }}
+        </h3>
+        <p>
+          {{ "From the team behind Adblock Plus, the most popular ad blocker for desktop browsers, Adblock Browser is now available for your Android and iOS devices." | translate("abb-cross-promotion-description", "Paragraph") }}
+        </p>
+      </figcaption>
+    </figure>
+
+    <div id="abb-app-store-badges" class="row">
+      <a href="https://eyeo.to/adblockbrowser/ios/abp-website" 
+          title="{{ "Get Adblock Browser on iOS" | translate("abb-ios-link-title", "Link title") }}" 
+          class="column one-half">
+        <img src="{% if page != "poland" %}/{% endif %}img/apple-app-store-badge.png" 
+              srcset="{% if page != "poland" %}/{% endif %}img/apple-app-store-badge.svg 2x" 
+              alt="{{ "Download Adblock Browser on the App Store" | translate("abb-ios-badge-alt", "Alt text") }}">
+      </a>
+      <a href="https://eyeo.to/adblockbrowser/android/abp-website" 
+          title="{{ "Get Adblock Browser on Android" | translate("abb-android-link-title", "Link title") }}" 
+          class="column one-half">
+        <img src="{% if page != "poland" %}/{% endif %}img/google-play-badge.png" 
+             {% if page != "poland" %}srcset="/img/google-play-badge.svg 2x"{% endif %}
+             alt="{{ "Download Adblock Browser on Google Play" | translate("abb-android-badge-alt", "Alt text") }}">
+      </a>
+    </div>
+  </div>
+</section>