pull request template - no generated lists

It's already enforced, but this makes it totally clear.

One of the reasons Awesome is so popular is that there's almost no barrier to contribute and it's the same for every awesome list => Just edit readme.md

pull_request_template.md

@@ -10,6 +10,7 @@
 - [ ] This pull request has a descriptive title. *(For example: `Add Node.js`)*
 - The list I added
 	- [ ] **has been around for at least 20 days,**
+	- [ ] is a non-generated Markdown file in a GitHub repo,
 	- [ ] is not a duplicate,
 	- [ ] only has awesome items with descriptions *(Awesome lists are curations of the best, not of everything)*,
 	- [ ] contains the [awesome badge](https://github.com/sindresorhus/awesome/blob/master/awesome.md#awesome-badge) on the right side of the list heading,