update schedule section of cookiecutter

[JessicaS11]

As per this commen from #39

[lsetiawan]

Just copying over the comment from @JessicaS11:

@lsetiawan in my most recent commit I intentionally broke the cookiecutter/splash page by adding a few items to the book/schedule.yaml that aren't currently parsed by the cookiecutter. Would you be able to take on making some changes to the cookiecutter index?

• make location optional (ideal for virtual events)
• add a note to the top of the schedule about the timezone (you can just use the one from book/schedule.md for an example, which includes an "in-your-timezone" link); I added a timezone block to the yaml to start this.
• add an optional video block (or even more generic a resource that allows for a title and url, so it can be used for videos or slides)
• tell me how (assuming it's possible) to include a list of items in a description, since that's often a great visual way to list a few objectives for a given session

Alternatively, if you'd like to recommend an approach that is not me trying to brute-force, manually write and format html correctly I'd be willing to try and work on some of these. : )

[lsetiawan]

@JessicaS11 I won't have time today to look over this. But I will check it out tomorrow! I think I understand what you're asking. Shouldn't be to difficult 👍🏽

[lsetiawan]

@JessicaS11 I got all your requested features I think. Let me know if I missed anything. Also please help on the build 😭

[JessicaS11]

Thanks @lsetiawan - this looks great (I am quite satisfied)! It builds fine for me locally, so let's see what GH has to say.

[JessicaS11]

Anyone know why the "this branch is out of sync with the base" update button isn't showing up? Sure I can merge manually, but that button is mighty handy...

[scottyhq]

Anyone know why the "this branch is out of sync with the base"

Not sure, but if you can merge the current main branch in that would be great!

[jomey]

Anyone know why the "this branch is out of sync with the base"

Not sure, but if you can merge the current main branch in that would be great!

Far fetched guess is that there might be a merge conflict, which needs be resolved locally and hence no button here?

UPDATE: As i typed this the button appeared. GitHub hiccup?

[lsetiawan]

Oops 🙊 hopefully that didn't mess anything up... I pressed the update branch button thing! Sorry!

[JessicaS11]

Oops 🙊 hopefully that didn't mess anything up... I pressed the update branch button thing! Sorry!

Perfect! I was lamenting the lack of update branch button!

[jomey]

Jessica, after editing the environment.yml there needs to be an update to the .lock files.
Execute the lock-environment.sh script and commit the changes. Note, that you need to be inside the conda folder when executing.

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