.github: add a template for pull requests requesting testing info

Author: peterbarker

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,23 @@
+# Summary
+
+<!-- a one or two line summary of what your PR does here -->
+
+## Testing (more check increases chance of being merged)
+
+- [ ] Checked by a human programmer
+- [ ] Tested in SITL
+- [ ] Tested on hardware
+- [ ] Logs attached
+- [ ] Logs available on request
+- [ ] Autotest included
+
+## Description
+
+<!-- Describe your changes here -->
+
+<!--
+Don't overlook our community's expectations for creating a PR:
+https://ardupilot.org/dev/docs/style-guide.html
+https://ardupilot.org/dev/docs/submitting-patches-back-to-master.html
+https://ardupilot.org/dev/docs/porting.html
+-->