Add CHAMP HashMap and HashSet to microsite

[gemelen]

Extend documentation presented in a project's microsite for newly added CHAMP HashMap and HashSet

Hello @armanbilge
Can i please be assigned this issue as i learn and onboard to contribute more as part of Outreachy
Thank you 😊

[gemelen]

@najuna-dev there is no need to be assigned to a specific issue, you are free to work on it and propose a pull request

Thank you for the guidance @gemelen
Much appreciated

[najuna-brian]

I please used a wrong github account i had created while learning as najuna-dev
I have now deleted it to avoid same mistakes in future and i now reflects as ghost

Apologies
cc @gemelen @armanbilge

[sbarhin]

@armanbilge @gemelen, my task has been completed. I would greatly appreciate it if you could review my work and provide any feedback or suggestions.

Kindly guide me on the next step to take.