Changed menu width of layer menu

[ananyaarun]

Fixes #186

• PR is descriptively titled 📑 and links the original issue above 🔗
• tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR
• code is in uniquely-named feature branch and has no merge conflicts 📁
• screenshots/GIFs are attached 📎 in case of UI updation
• ask @publiclab/reviewers for help, in a comment below

Thanks!

[jywarren]

Hi, this is nice!!! What if we also restyled the menu opening button as in page 9 of our new style guide? Thanks Ananya!!!

[ananyaarun]

Sure @jywarren , I'll look at it. Thanks !!!

[sagarpreet-chadha]

Awesome ! Would you like to do the changes requested by @jywarren here or in a seperate PR ? Thanks !

[ananyaarun]

Hey @sagarpreet-chadha I have created a new PR for the changes @jywarren asked for.
Thanks !!

[ananyaarun]

@sagarpreet-chadha , I have resolved the conflicts here. Thanks !

[jywarren]

Hi! Super!! Can you share a final screenshot? Thanks!

[sagarpreet-chadha]

Hey ! Great work ,
I am going ahead and merging this 😄 !

[ananyaarun]

Hey @jywarren
here is the screen shot. I actually made the changes you asked in a seperate PR , so this one just increases the menu width :)