feat: get Contact's "About" text (close #491)

index.d.ts

@@ -679,6 +679,10 @@ declare namespace WAWebJS {
         block: () => Promise<boolean>,
         /** Unlocks this contact from WhatsApp */
         unblock: () => Promise<boolean>,
+
+        /** Gets the Contact's current "about" info. Returns null if you don't have permission to read their status.  */
+        getAbout: () => Promise<string | null>,
+
     }
 
     export interface ContactId {

src/structures/Contact.js

@@ -152,6 +152,21 @@ class Contact extends Base {
 
         return true;
     }
+
+    /**
+     * Gets the Contact's current "about" info. Returns null if you don't have permission to read their status.
+     * @returns {Promise<?string>}
+     */
+    async getAbout() {
+        const about = await this.client.pupPage.evaluate(async (contactId) => {
+            return window.Store.Wap.statusFind(contactId);
+        }, this.id._serialized);
+
+        if (typeof about.status !== 'string')
+            return null;
+
+        return about.status;
+    }
     
 }