DB: Generalize table and model names

models/group.js

@@ -0,0 +1,27 @@
+'use strict';
+const {
+  Model
+} = require('sequelize');
+module.exports = (sequelize, DataTypes) => {
+  class Group extends Model {
+    /**
+     * Helper method for defining associations.
+     * This method is not a part of Sequelize lifecycle.
+     * The `models/index` file will call this method automatically.
+     */
+    static associate(models) {
+      // define association here
+      Group.hasMany(models.Character);
+    }
+  }
+  Group.init({
+    name: DataTypes.STRING,
+    description: DataTypes.TEXT,
+    imageURL: DataTypes.STRING,
+    enabled: DataTypes.BOOLEAN
+  }, {
+    sequelize,
+    modelName: 'Group',
+  });
+  return Group;
+};