First set of cryptocurrency donation keys. Donations are back :)

i2p2www/pages/site/get-involved/donate.html

@@ -4,9 +4,17 @@
 <p>{% trans -%}
 Thank you for your interest in contributing to I2P!
 
-At the current time we do not accept donations.
+At the current time we do not accept donations in form of fiat, this will soon be back.
 {%- endtrans %}</p>
 
+<p>{% trans %}Luckly the cryptocurrency donations are back!{% endtrans %}</p>
+
+<b>BTC Address: 3AtDiRUiyDHTSALRxsEZ7yqmB7piwaowaY</b><br>
+<b>LTC Address: MN55tu4y7UtdPXUk9WvCSfy4nGUW79DZpN</b><br>
+<b>ETH Address: 0xfC35D2225bA2739eCC5a1e50676a8DbC03569C27</b><br>
+
+<p><b>{% trans %}Note:{% endtrans %}</b> {% trans %}Addresses might update once in a while and we might also add more coins. Sending to old addresses is OK, but not recommended.{% endtrans %}</p>
+
 <h2>{% trans %}Tax Status{% endtrans %}</h2>
 <p>{% trans -%}
 I2P is not incorporated.