docs: Add troubleshooting documentation on ENOSPC

[huchenme]

Closes#7612

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[yogesh15]

Try running this

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

cat /proc/sys/fs/inotify/max_user_watches

fs.inotify.max_user_watches=524288

[oluoluoxenfree]

👍

Looks good to me and @amyrlam!

@ianschmitz what do you think?

[oluoluoxenfree]

@iansu ^ 😄

[ianschmitz]

Great. Thanks!