Complete Greatest covers and use Japanese navigation label

greatest/catalog.json

@@ -51,7 +51,7 @@
         "kind": "info",
         "url": "https://tezukaosamu.net/en/manga/656.html"
       },
-      "cover": null,
+      "cover": "https://s4.anilist.co/file/anilistcdn/media/manga/cover/medium/b109836-NwYxXNYLkjxQ.jpg",
       "chapters": null,
       "status": "unknown"
     },
@@ -172,7 +172,7 @@
         "kind": "edition",
         "url": "https://drawnandquarterly.com/books/kitaros-yokai-battles/"
       },
-      "cover": null,
+      "cover": "https://drawnandquarterly.com/wp-content/uploads/biblioshare_attachments/9781770463196.png",
       "chapters": null,
       "status": "unknown"
     },
@@ -509,7 +509,7 @@
         "kind": "edition",
         "url": "https://www.viz.com/manga-books/manga/nausicaa-of-the-valley-of-the-wind/all"
       },
-      "cover": null,
+      "cover": "https://s4.anilist.co/file/anilistcdn/media/manga/cover/medium/bx30651-xLufeLnDPqpn.jpg",
       "chapters": null,
       "status": "unknown"
     },
@@ -2115,7 +2115,7 @@
         "kind": "read",
         "url": "https://www.viz.com/shonenjump/chapters/someone-hertz"
       },
-      "cover": null,
+      "cover": "https://www.shonenjump.com/j/comics/_comicimage/someone001.jpg",
       "chapters": null,
       "status": "unknown"
     },
@@ -2194,7 +2194,7 @@
         "kind": "official award and reading lead",
         "url": "https://mangaplus.shueisha.co.jp/web_pages/2441/"
       },
-      "cover": null,
+      "cover": "https://dosbg3xlm0x1t.cloudfront.net/images/items/9784088852317/500/9784088852317.jpg",
       "chapters": null,
       "status": "unknown"
     }