add and update category-media for news companies of Japan (#654)

* Update asahi

* Update nikkei

* add news companies of Japan

* Update category-media

* Update asahi

* Update mainichi

* Update mainichi

data/sankei

@@ -0,0 +1,30 @@
+business-i.jp
+ign.jp
+innovations-i.com
+ironna.jp
+iza.ne.jp
+japan-forward.com
+keiba.net
+knowswho.co.jp
+metropolitana.tokyo
+mostly.jp
+sankei-ad-info.com
+sankei-ad.net
+sankei-books.co.jp
+sankei-call.jp
+sankei-digital.co.jp
+sankei-eiga.co.jp
+sankei-kaihatsu.co.jp
+sankei-kurashi.com
+sankei-shougakukai.jp
+sankei-tours.com
+sankei.co.jp
+sankei.com
+sankei.jp
+sankeibiz.jp
+sankeishop.jp
+sanspo.com
+seasidestory.tokyo
+seiron-sankei.com
+tvnaviweb.jp
+zakzak.co.jp