Generate sample events: add 'reason' to user-rights
Generate sample events: add 'reason' to user-rights

Change-Id: I7f8370816f57f26aafde7d46ea36253f7f4ee96e

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo