Add new limit option to limit the requested amount of posts from the Reddit API (#203)

- Add the limit option
- Valid number between 1 and 100
- Defaults to 100
- Updated documentation to mention this

#137

Reviewed-on: #203
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

src/helpers/outputHelper.ts

@@ -24,6 +24,7 @@ export default class OutputHelper {
         if (options.queryMetadata != null) {
             outputLines.push(`Query.Subreddit = ${response.Query.subreddit}`);
             outputLines.push(`Query.Sort By = ${response.Query.sortBy}`);
+            outputLines.push(`Query.Limit = ${response.Query.limit}`);
         }
 
         return outputLines.join("\n");