Create pull_request_template.md

A new template for pull requests regarding Dotto!

Author: DimensionalSpace

.github/pull_request_template.md

@@ -0,0 +1,10 @@
+Thank you for your contribution! 
+Before submitting the master project, please make sure that:
+
+- [ ] You use understandable English so people will know what you will add / fix
+- [ ] Your contribution doesn't have any errors or bugs that might break the project
+- [ ] You have tested your contribution
+- [ ] You have made a clear description and title about your contribution
+- [ ] Your contribution works with the following platforms: Nintendo 3DS, Windows, MacOS, Linux and HTML5
+
+Thanks again!