Suggest tree planting on the donators page

content/donators/index.html

@@ -3,9 +3,10 @@ title: "Donators"
 ---
 
 <section class="centered-introduction">
-    <p>Pitivi is a community-run project. One of the things we value the most is our community of contributors (<a href="/contribute/">join us!</a>). For us, time is usually more precious and scarce than money.</p>
-    
-    <p>Nevertheless, if you still want to contribute financially to the project, you can do so here.</p>
+    <h1>Time, money and trees</h1>
+    <p>One of the things we value the most is the community of contributors driving Pitivi (<a href="/contribute/">join us!</a>). For us, time is usually more precious and scarce than money. Nevertheless, we can put money to good use!</p>
+
+    <p style="color:#002200;">Alternatively, consider planting trees in the <a href="https://tree-nation.com/profile/pitivi">Pitivi forest<i class="fas fa-tree" style="color:#262;margin-left:0.3em;"></i><i class="fas fa-tree" style="color:#070;margin-left:2px;font-size:85%;"></i><i class="fas fa-tree" style="color:#181;font-size:105%;"></i><i class="fas fa-tree" style="color:#191;margin-left:3px;font-size:95%;"></i></a> to motivate the developers.</p>
 </section>
     
 <section class="auto-column-half">