Implemented models and cleaned some code

src/common/database/models/index.ts

@@ -0,0 +1,23 @@
+import registerUserModel from "./users/User"
+import registerRoleModel from "./users/Role"
+import registerPermissionModel from "./users/Permission"
+
+import registerSpellModel from "./spells/Spell"
+import registerSchoolModel from "./spells/School"
+import registerMetaSchoolModel from "./spells/MetaSchool"
+
+const models = [
+    registerUserModel,
+    registerRoleModel,
+    registerPermissionModel,
+
+    registerSpellModel,
+    registerSchoolModel,
+    registerMetaSchoolModel,
+]
+
+export default () => {
+    models.forEach((registerModel) => {
+        registerModel()
+    })
+}