template_paths config to allow easier override of web templates

lib/App/Netdisco/Web.pm

@@ -56,6 +56,14 @@ if (setting('extra_web_plugins') and ref [] eq ref setting('extra_web_plugins'))
 push @{ config->{engines}->{netdisco_template_toolkit}->{INCLUDE_PATH} },
      setting('views');
 
+# any template paths in deployment.yml (should override plugins)
+if (setting('template_paths') and ref [] eq ref setting('template_paths')) {
+    foreach my $path (setting('template_paths')) {
+        unshift @{ config->{engines}->{netdisco_template_toolkit}->{INCLUDE_PATH} },
+          $path;
+    }
+}
+
 # load cookie key from database
 setting('session_cookie_key' => undef);
 my $sessions = schema('netdisco')->resultset('Session');