Add I2P button to cardv2 (#1469)

_includes/cardv2.html

@@ -61,17 +61,17 @@
       {% endif %}
     </p>
     <div class="d-flex justify-content-between flex-column flex-md-row align-items-start align-items-md-center">
-      <div class="flex-shrink-0 mr-2">
+      <div class="d-flex flex-shrink-0 mr-1">
         <a
           href="{{include.website}}"
-          class="btn btn-primary mt-1">
+          class="btn btn-primary mt-1 mr-1">
           <i class="fas fa-external-link-alt fa-fw"></i>
           Website
         </a>
         {% if include.forum %}
           <a
             href="{{include.forum}}"
-            class="btn btn-success mt-1">
+            class="btn btn-success mt-1 mr-1">
             <i class="fab fa-discourse fa-fw"></i>
             Forum
           </a>
@@ -83,13 +83,23 @@
             data-original-title="Requires specific software to access: torproject.org"
             href="{{include.tor}}">
             <img
-              class="mt-2"
+              class="mt-2 mr-1"
               alt="Tor"
               src="/assets/img/layout/tor.png"
               width="35"
               height="35">
           </a>
         {% endif %}
+        {% if include.i2p %}
+          <a
+            href="{{include.i2p}}"
+            class="hover-text-decoration-none mt-1 mr-1"
+            data-toggle="tooltip"
+            data-placement="bottom"
+            data-original-title="Requires specific software to access: geti2p.net">
+            <span class="ptio-i2p-garlic btn-secondary btn-icon"></span>
+          </a>
+        {% endif %}
       </div>
 
       <div class="mt-2">