Fix source code spacing on examples page

[JLambertazzo]

There is currently too much spacing in the source code dropdowns in examples.html

[maheshtamarakar]

should I remove brackets spaces also or except bracket spaces of functions

[JLambertazzo]

As long as the spaces between the lines looks good, the rest is up to you 😄 I'll assign this issue to you!

[maheshtamarakar]

As long as the spaces between the lines looks good, the rest is up to you 😄 I'll assign this issue to you!

Ohk, thank you

[sayumimuthu]

Hi, I'd like to work on this issue.

[sayumimuthu]

Made a PR with the appropriate changes. Kindly check if you need further improvements.