Add the post author to the return result (#208)

- Add the post author to the return result
- Update tests to accommodate for this change
- Update the documentation for this change

#110

Reviewed-on: #208
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

src/contracts/IFetchResult.ts

@@ -1,6 +1,7 @@
 export default interface IFetchResult {
     data: {
         archived: boolean,
+        author: string,
         downs: number,
         hidden: boolean,
         permalink: string,

src/contracts/IRedditResult.ts

@@ -1,5 +1,6 @@
 export default interface IRedditResult {
     Archived: boolean,
+    Author: string,
     Downs: number,
     Hidden: boolean,
     Permalink: string,