add github link to links list + bold font weight

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,14 +1,15 @@
 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:**
+- github.com repo: 
 - godoc.org: 
 - goreportcard.com: 
 - coverage service link (gocover, coveralls etc.): 
 
 
-Note, that new categories can be added only when there are 3 packages or more.
+**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:
+**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 to the repo and to my pull request