Merge pull request #66 from w3f/unify-guidelines

Unify guidelines

.github/pull_request_template.md

@@ -4,3 +4,5 @@
 - [ ] The [invoice form :pencil:](https://forms.gle/8Wx7nxtq8fKrsuEz8) has been filled out for this milestone. 
 - [ ] This pull request is done by the same account, which is responsible for the pull request of the accepted application. 
 - [ ] In the case of acceptance, the payment will be transferred to the initial BTC payment address. 
+- [ ] The delivery is according to the [milestone delivery guidelines](https://github.com/w3f/General-Grants-Program/blob/unify-guidelines/grants/milestone-deliverables-guidelines.md). 
+

deliveries/milestone-delivery-template.md

@@ -2,7 +2,7 @@
 
 > Only the GitHub account, which is responsible for the pull request of the accepted application is allowed to submit milestones. Don't remove any of the mandatory parts presented in bold letters or as headlines!
 
-**The [invoice form :pencil:](https://forms.gle/8Wx7nxtq8fKrsuEz8) has been filled out correctly for this milestone.**  
+**The [invoice form :pencil:](https://forms.gle/8Wx7nxtq8fKrsuEz8) has been filled out correctly for this milestone and the delivery is according to the official [milestone delivery guidelines](https://github.com/w3f/General-Grants-Program/blob/master/grants/milestone-deliverables-guidelines.md).**  
 
 * **PR Link:** Please, provide a link to the initial accepted pull request of your application to the [Web3 Foundation Open Grants Program repository](https://github.com/w3f/Open-Grants-Program). 
 * **Milestone Number:** The number of the milestone