feat: add author id to class

src/ts/Author.ts

@@ -1,12 +1,18 @@
 class Author {
+    private readonly _id: string;
     private readonly _name: string;
     private readonly _avatarHash: string;
 
     constructor(json: any) {
+        this._id = json.id;
         this._name = json.name;
         this._avatarHash = json.avatarHash;
     }
 
+    get id(): string {
+        return this._id;
+    }
+
     get name(): string {
         return this._name;
     }
@@ -15,4 +21,5 @@ class Author {
         return this._avatarHash;
     }
 }
+
 export default Author;