docs: add email subject and body to site-example

docs/site-example/i18n/de.po

@@ -23,7 +23,8 @@ msgstr ""
 "kann sich dein Knoten mit dem Mesh-VPN dort verbinden. Bitte "
 "schicke dazu diesen Schlüssel und den Namen deines Knotens "
 "(<em><%=pcdata(hostname)%></em>) an "
-"<a href=\"mailto:keys@alpha-centauri.freifunk.net\">keys@alpha-centauri.freifunk.net</a>."
+"<a href=\"mailto:keys@alpha-centauri.freifunk.net?subject=<%= urlencode('Anmeldung: ' .. hostname) %>&amp;"
+"body=<%= urlencode('# ' .. hostname .. '\n' .. pubkey) %>\">keys@alpha-centauri.freifunk.net</a>."
 "</p>"
 "<div class=\"the-key\">"
 " # <%= pcdata(hostname) %>"

docs/site-example/i18n/en.po

@@ -20,7 +20,8 @@ msgstr ""
 "<p>This is your Freifunk node's public key. The node won't be able to "
 "connect to the mesh VPN until the key has been registered on the Freifunk servers. "
 "To register, send the key together with your node's name (<em><%=pcdata(hostname)%></em>) to "
-"<a href=\"mailto:keys@alpha-centauri.freifunk.net\">keys@alpha-centauri.freifunk.net</a>."
+"<a href=\"mailto:keys@alpha-centauri.freifunk.net?subject=<%= urlencode('Registration: ' .. hostname) %>&amp;"
+"body=<%= urlencode('# ' .. hostname .. '\n' .. pubkey) %>\">keys@alpha-centauri.freifunk.net</a>."
 "</p>"
 "<div class=\"the-key\">"
 " # <%= pcdata(hostname) %>"

docs/site-example/i18n/fr.po

@@ -23,7 +23,8 @@ msgstr ""
 "sur les serveur Mesh-VPN de votre groupe Freifunk. Veuillez envoyer la clé avec le "
 "nom de votre nœud "
 "(<em><%=pcdata(hostname)%></em>) à "
-"<a href=\"mailto:keys@alpha-centauri.freifunk.net\">keys@alpha-centauri.freifunk.net</a>."
+"<a href=\"mailto:keys@alpha-centauri.freifunk.net?subject=<%= urlencode('Enregistrement: ' .. hostname) %>&amp;"
+"body=<%= urlencode('# ' .. hostname .. '\n' .. pubkey) %>\">keys@alpha-centauri.freifunk.net</a>."
 "</p>"
 "<div class=\"the-key\">"
 " # <%= pcdata(hostname) %>"