Include example for custom/caching transport and oauth usage

[tmc]

Providing a custom Transport with oauth2 is a little verbose and having an example usage of it here would be useful:

ctx := context.WithValue(oauth2.NoContext, oauth2.HTTPClient, client)

[urohit011]

I would like to take it.

[shubhodeep9]

@gmlewis @tmc Is this issue still open for working?

[gmlewis]

@urohit011 - do you still want to work on this, or shall we assign it to @shubhodeep9 ?

@shubhodeep9 - let's give @urohit011 a couple days to answer and if we have still not heard back, we'll assign it to you.

[shubhodeep9]

@gmlewis Happy New Year, would like to know the status if I can work on this?

[gmlewis]

Happy New Year to you too, @shubhodeep9!
Sure, I think it is safe for you to take this issue.

I'm unable to send you an invite, but by this comment, please will see that you are assigned to this issue.

[IamRaviTejaG]

@gmlewis Can you assign me the issue in case this issue is available.

[gmlewis]

@shubhodeep9 - are you still working on this issue? If not, @ImRaviTejaG would like to take it.

@ImRaviTejaG - let's give @shubhodeep9 a couple days to respond before we switch it to you.
Thanks.

[shubhodeep9]

@gmlewis sorry, been caught up with something. Give me 3 days, if not done, then I will surely convey to assign it to someone else. Thank you

[IamRaviTejaG]

@gmlewis Sure! @shubhodeep9 Thanks for the quick revert. I await your PR. 😄

[shubhodeep9]

@gmlewis apologies for blocking time, you may assign it to @ImRaviTejaG

Thanks

[gmlewis]

No problem, @shubhodeep9.

@ImRaviTejaG - this issue is now assigned to you.