Add signing key certificate files

i2p2www/pages/site/get-involved/develop/release-signing-key.html

@@ -1,10 +1,24 @@
 {% extends "global/layout.html" %}
 {% block title %}{{ _('Release Signing Key') }}{% endblock %}
 {% block content %}
+<p>{% trans -%}
+Windows installers for releases 0.9.38 and later are signed by zlatinb.
+{%- endtrans %}<br>
+<a href="{{ url_for('static', filename='zlatinb.key.crt') }}" >{% trans %}Download code signing certificate{% endtrans %}</a>
+</p>
+
+<p>{% trans -%}
+Mac OSX installers for releases 0.9.38 and later are signed by mikalv.
+{%- endtrans %}<br>
+<a href="{{ url_for('static', filename='mikalv.key.crt') }}" >{% trans %}Download code signing certificate{% endtrans %}</a>
+</p>
+
 <p>{% trans -%}
 Releases 0.7.6 and later are signed by zzz. His current public key is:
 {%- endtrans %}</p>
 <p>
+<a href="{{ url_for('static', filename='zzz.key.asc') }}" >{% trans %}Download PGP public key{% endtrans %}</a>
+</p><p>
 <pre>
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1