horsegen: generate skill groups

horsegen/skill-group.sql

@@ -0,0 +1,14 @@
+WITH skill_names AS (
+	SELECT
+		"index" AS "id",
+		"text" AS "name"
+	FROM text_data
+	WHERE category = 47
+)
+SELECT
+	group_id,
+	name
+FROM skill_data d
+	JOIN skill_names n ON d.id = n.id
+WHERE d.group_rate = 1
+ORDER BY group_id