Add PR template & licence/contributing sections to README

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,5 @@
+<!-- Thanks for opening a pull request! Please tick the box below to agree that your contribution be released under the same license as this reopsitory. -->
+
+ - [ ] I agree to release my contribution under the _Mozilla Public License 2.0_, as documented in the [LICENSE](https://github.com/ConnectedHumber/Air-Quality-Web/blob/master/LICENSE) file in this repository.
+
+<!-- Please include a description of what the PR includes below :-) -->

README.md

@@ -43,3 +43,11 @@ Some configuration must be done before the application is ready for use. The fir
 
 ## Notes
  - Readings are taken every 6 minutes as standard.
+
+### Contributing
+Contributions are welcome - feel free to [open an issue](https://github.com/ConnectedHumber/Air-Quality-Web/issues/new) or (even better) a [pull request](https://github.com/ConnectedHumber/Air-Quality-Web/compare).
+
+The [issue tracker](https://github.com/ConnectedHumber/Air-Quality-Web/issues) is the place where all the tasks relating to the project are kept.
+
+## License
+This project is licensed under the _Mozilla Public License 2.0_. The full text of this license can be found in the [LICENSE](https://github.com/ConnectedHumber/Air-Quality-Web/blob/master/LICENSE) file of this repository, along with a helpful summary of what you can and can't do provided by GitHub.