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>

tests/helpers/outputHelper.test.ts

@@ -10,6 +10,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,
@@ -40,6 +41,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,
@@ -72,6 +74,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,