pidgin/pidgin

Add description to PurpleProtocol

2021-07-13, Prateek Pardeshi
ddc26be7f597
Add description to PurpleProtocol

Testing Done:
Ran and tested on the Account Assistant, which I'm developing currently.

![](https://i.ibb.co/bsVHdJv/Screenshot-from-2021-07-12-11-13-55.png)

Bugs closed: PIDGIN-17460

Reviewed at https://reviews.imfreedom.org/r/803/
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