Add Wikimedia Citoid crawler to allowed list

Signed-off-by: Marielle Volz <marielle.volz@gmail.com>

Author: mvolz

data/crawlers/_allow-good.yaml

@@ -8,4 +8,5 @@
 - import: (data)/crawlers/marginalia.yaml
 - import: (data)/crawlers/mojeekbot.yaml
 - import: (data)/crawlers/commoncrawl.yaml
+- import: (data)/crawlers/wikimedia-citoid.yaml
 - import: (data)/crawlers/yandexbot.yaml