[Minor] Add stock config

conf/modules.d/contextal.conf

@@ -0,0 +1,21 @@
+# Please don't modify this file as your changes might be overwritten with
+# the next update.
+#
+# You can modify 'local.d/contextal.conf' to add and merge
+# parameters defined inside this section
+#
+# You can modify 'override.d/contextal.conf' to strictly override all
+# parameters defined inside this section
+#
+# See https://rspamd.com/doc/faq.html#what-are-the-locald-and-overrided-directories
+# for details
+#
+# Module documentation can be found at  https://rspamd.com/doc/modules/contextal.html
+
+contextal {
+  enabled = false;
+
+  .include(try=true,priority=5) "${DBDIR}/dynamic/contextal.conf"
+  .include(try=true,priority=1,duplicate=merge) "$LOCAL_CONFDIR/local.d/contextal.conf"
+  .include(try=true,priority=10) "$LOCAL_CONFDIR/override.d/contextal.conf"
+}