added rest anilist set items

rest/AniTrack/Set Items/Delete Media.http

@@ -0,0 +1,17 @@
+# @name AniList Delete Media
+
+POST https://graphql.anilist.co
+Content-Type: applicaton/json
+Accept: applicaton/json
+X-REQUEST-TYPE: Graphql
+Authorization: Bearer {{ANILIST_ACCESS_TOKEN}}
+
+mutation ($id: Int) {
+  DeleteMediaListEntry(id: $id) {
+    deleted
+  }
+}
+
+{
+  "id": 430978266
+}