Add hacktoberfest to project topic

[NoahBlaaa15]

To count for Hacktoberfest, the topic Hacktoberfest needs to be added to the project.

[mmuhamadamirzaidi]

Where need to add the topic Hacktoberfest, @NoahBlaaa15 ? You can change and create a PR for that. Thanks.

[NoahBlaaa15]

The topic isn't changed in any files, you have to edit the about field on the repository main page, there is an extra text box where you can enter topics.

[mmuhamadamirzaidi]

Done adding the topics. Thanks @NoahBlaaa15 👍