Add files via upload

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,16 @@
+### Summary
+
+* Summarise the changes here in bullet points
+
+### Checklist
+
+- [ ] Documentation follows the [Style Guide](https://mews.atlassian.net/wiki/x/KJAoCw)
+- [ ] JSON examples updated
+- [ ] Properties in JSON examples in same order as in property tables
+- [ ] Changelog dated the day when PR merged
+- [ ] Changelog accurately describes all changes
+- [ ] Changelog highlights the affected endpoints or operations
+- [ ] Changelog highlights any deprecations
+- [ ] All hyperlinks tested
+- [ ] Deprecation Table updated if any deprecations
+- [ ] SUMMARY.md updated if new pages added