Add Fire Emblem Warriors metadata (#173)

games/fire-emblem-warriors/game.dat

@@ -0,0 +1,19 @@
+title = "Fire Emblem Warriors"
+description = "Fire Emblem Warriors is a 2017 hack and slash role-playing game developed by Omega Force and Team Ninja, and published by Nintendo for the Nintendo 3DS and Nintendo Switch. The game was released in Japan on September 28, 2017 and worldwide on October 20, 2017. The game is a collaboration between Koei Tecmo's Dynasty Warriors franchise and Intelligent Systems' Fire Emblem series."
+needs_system_files = false
+needs_shared_font = false
+
+[[releases]]
+title = "000400000F70CD00"
+region = "eur"
+release_date = "2017-10-20"
+
+[[testcases]]
+title = "000400000F70CD00"
+compatibility = "5"
+date = "2017-11-19"
+version = "HEAD-c810a3f"
+cpu = "Intel Core i7-4700HQ"
+gpu = "GeForce GTX 860M"
+os = "Windows 7 6.1.7601"
+author = "Rignak"