Fixed bug from issue #757 , added showdown library and converted markdown to html in workbench.js

[hannyP]

fixed the bug

I am an outreachy 2024 applicant and found this issue while running the project on my local machine

Testing

it hasn't been tested as only UI elements were being tested in the repo.

Questions

I used the showdown library to solve this issue , let me know if i shouldn't have used any library do tackle this issue

[hannyP]

now when you click on help in workbench tab it should display the user guide like this

[birm]

turns out to be fixed with #683