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">

_includes/head.html

@@ -43,6 +43,6 @@
   <link rel="shortcut icon" href="/assets/img/favicons/favicon.ico">
 
   <!-- CSS stylesheets -->
-  <link href="/assets/css/style.css?v=8" rel="stylesheet">
+  <link href="/assets/css/style.css?v=9" rel="stylesheet">
   <link id="dark-css" href="/assets/css/dark.css?v=4" rel="stylesheet" media="(prefers-color-scheme: dark)">
 </head>

_includes/sections/self-contained-networks.html

@@ -30,6 +30,7 @@ image-dark="/assets/img/tools/I2P-dark.png"
 description="The Invisible Internet Project (I2P) is a computer network layer that allows applications to send messages to each other pseudonymously and securely. Uses include anonymous Web surfing, chatting, blogging, and file transfers. The software that implements this layer is called an I2P router and a computer running I2P is called an I2P node. The software is free and open-source and is published under multiple licenses."
 website="https://geti2p.net/"
 forum="https://forum.privacytools.io/t/discussion-i2p/1590"
+i2p="http://i2p-projekt.i2p/"
 windows="https://geti2p.net/en/download#windows"
 mac="https://geti2p.net/en/download#mac"
 linux="https://geti2p.net/en/download#unix"