Documented the action interface.

src/interface/actions.ts

@@ -1,14 +1,43 @@
+/**
+ * Enum representing the possible sides of an action.
+ */
 export enum ActionSide {
     Buy,
     Sell,
 }
 
+/**
+ * Represents an action taken on a stock, such as a buy or sell order.
+ */
 export class Action {
+    /**
+     * The symbol of the asset being traded.
+     */
     readonly symbol: string;
+
+    /**
+     * The quantity of the asset being traded.
+     */
     readonly quantity: number;
+    
+    /**
+     * The side of the action, either "buy" or "sell".
+     */
     readonly side: ActionSide;
+
+    /**
+     * The price per share of the asset.
+     */
     readonly pricePerShare: number;
 
+    /**
+     * Creates an instance of an Action.
+     * @constructor
+     * @param {string} symbol - The symbol of the asset being traded.
+     * @param {number} quantity - The quantity of the asset being traded.
+     * @param {ActionSide} side - The side of the trade (buy or sell).
+     * @param {number} pricePerShare - The price per share of the asset being traded.
+     */
     constructor(symbol: string, quantity: number, side: ActionSide, pricePerShare: number) {
         this.symbol = symbol;
         this.quantity = quantity;
@@ -44,6 +73,14 @@ export interface ActionFetchResponse {
     readonly fetchNextPage?: () => Promise<ActionFetchResponse>;
 }
 
+/**
+ * An interface representing an object that provides actions.
+ */
 export interface ActionProvider {
+    /**
+     * Fetches actions based on the provided options.
+     * @param options - The options to use when fetching actions.
+     * @returns A promise that resolves to an object containing the fetched actions.
+     */
     readonly fetchActions: (options: ActionFetchOptions) => Promise<ActionFetchResponse>;
 }