awesome-go/.github/PULL_REQUEST_TEMPLATE.md

Please check if what you want to add to `awesome-go` list meets [quality standards](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md#quality-standard) before sending pull request. Thanks!

Please provide package links to:
- godoc.org: 
- goreportcard.com: 
- gocover.io: 


Note, that new categories can be added only when there are 3 packages or more.

Make sure that you've checked the boxes below before you submit PR:
- [ ] I have added my package in alphabetical order
- [ ] I know that this package was not listed before
- [ ] I have added godoc link
- [ ] I have added gocover.io link
- [ ] I have added goreportcard link
- [ ] I have read [Contribution guidelines](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md#contribution-guidelines) and [Quality standard](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md#quality-standard).

Thanks for your PR, you're awesome! :+1: