Add recommended flag for maps and mods (#278)

Author: Sheikah45

migrations/V117__recommended_maps_and_mods.sql

@@ -0,0 +1,7 @@
+-- Add recommended column to map
+ALTER TABLE `map`
+    ADD COLUMN `recommended` boolean NOT NULL DEFAULT false COMMENT 'Boolean to indicate if a map is a high quality FAF Map' AFTER `games_played`;
+
+-- Add recommended column to mod
+ALTER TABLE `mod`
+    ADD COLUMN `recommended` boolean NOT NULL DEFAULT false COMMENT 'Boolean to indicate if a mod is a high quality FAF Mod' AFTER `reviews`;