feat: implement addOrUpdateListItem method

src/models/ListItemRequest.ts

@@ -0,0 +1,52 @@
+/**
+ * @class ListItemRequest - Represents a list item request
+ */
+export class ListItemRequest {
+  /**
+   * @property {number} listId - The id for the list that the item belongs to.
+   */
+  public listId: number;
+
+  /**
+   * @property {string} id - The id for the list item.
+   */
+  public id: string;
+
+  /**
+   * @property {string} name - The name of the list item.
+   */
+  public name: string;
+
+  /**
+   * @property {number} numericValue - The numeric value of the list item.
+   */
+  public numericValue: number;
+
+  /**
+   * @property {string} color - The color of the list item.
+   */
+  public color: string;
+
+  /**
+   * @constructor - Creates a new instance of the ListItemRequest class.
+   * @param {number} listId - The id for the list that the item belongs to.
+   * @param {string} id - The id for the list item.
+   * @param {string} name - The name of the list item.
+   * @param {number} numericValue - The numeric value of the list item.
+   * @param {string} color - The color of the list item.
+   * @returns {ListItemRequest} - A new instance of the ListItemRequest class.
+   */
+  constructor(
+    listId: number,
+    id: string,
+    name: string,
+    numericValue: number,
+    color: string
+  ) {
+    this.listId = listId;
+    this.id = id;
+    this.name = name;
+    this.numericValue = numericValue;
+    this.color = color;
+  }
+}