Added documentation for Alpaca

src/alpaca/exchange.ts

@@ -5,7 +5,13 @@ import { Exchange } from '../interface/exchange'
 import { PortfolioProvider } from '../interface/portfolio'
 import { QuoteProvider } from '../interface/quote'
 
+/**
+ * Exchange implementation for Alpaca.
+ */
 export class AlpacaExchange implements Exchange {
+    /**
+     * The Alpaca API client.
+     */
     readonly alpaca: Alpaca;
 
     /**
@@ -23,6 +29,13 @@ export class AlpacaExchange implements Exchange {
      */
     readonly name: string;
 
+    /**
+     * Creates an instance of the Alpaca exchange.
+     * @constructor
+     * @param {string} keyId - The API key ID for the Alpaca exchange.
+     * @param {string} secretKey - The secret key for the Alpaca exchange.
+     * @param {boolean} paper - Whether to use the paper trading environment or not.
+     */
     constructor(keyId: string, secretKey: string, paper: boolean) {
         this.alpaca = new Alpaca({
             keyId: keyId,