fix: add js doc comments.

src/models/ListField.ts

@@ -2,11 +2,40 @@ import { Multiplicity } from '../enums/Multiplicity';
 import { Field } from './Field';
 import { type ListValue } from './ListValue';
 
+/**
+ * @class ListField - Represents a list field.
+ */
 export class ListField extends Field {
+  /**
+   * @property {Multiplicity} multiplicity - The multiplicity of the list field.
+   */
   public multiplicity: Multiplicity;
+
+  /**
+   * @property {number} listId - The id of the list the list field belongs to.
+   */
   public listId: number;
+
+  /**
+   * @property {ListValue[]} values - The list values of the list field.
+   */
   public values: ListValue[];
 
+  /**
+   * @constructor - Creates a new ListField.
+   * @param {number} id - The id of the list field.
+   * @param {number} appId - The id of the app the list field belongs to.
+   * @param {string} name - The name of the list field.
+   * @param {string} type - The type of the list field.
+   * @param {string} status - The status of the list field.
+   * @param {boolean} isRequired - Whether the list field is required.
+   * @param {boolean} isUnique - Whether the list field is unique.
+   * @param {string} multiplicity - The multiplicity of the list field.
+   * @param {number} listId - The id of the list the list field belongs to.
+   * @param {ListValue[]} values - The list values of the list field.
+   * @returns {ListField} - A new ListField.
+   * @throws {Error} - Throws an error if the multiplicity is not a valid Multiplicity.
+   */
   constructor(
     id: number,
     appId: number,