Make proxy timeouts configurable

Change-Id: I761f8e1c3fe6e57936e7ac9cee7422e94ec94ee4
diff --git a/kalamar.conf b/kalamar.conf
index a9d78b9..ee35197 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -56,6 +56,10 @@
 
     ## Add experimental features:
     # experimental_proxy => 1,
+
+    ## Set proxy timeouts
+    # proxy_inactivity_timeout => 120,
+    # proxy_connect_timeout => 120,
   },
 
   # See Mojolicious::Plugin::TagHelpers::MailToChiffre