add more info to PR template and gocover.io altername

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,9 @@
 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:
+**Please provide package links to:**
 - godoc.org: 
 - goreportcard.com: 
-- gocover.io: 
+- gocover.io or coveralls: 
 
 
 Note, that new categories can be added only when there are 3 packages or more.
@@ -11,9 +11,9 @@ 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 added godoc link to the repo and to my pull request
+- [ ] I have added gocover.io or coveralls link to the repo and to my pull request
+- [ ] I have added goreportcard link to the repo and to my pull request
 - [ ] 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: