document pull request process (#60)

Author: jwkvam

PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,11 @@
+Please finish the following when submitting a pull request:
+
+- [ ] Add a line to `History.md` briefly documenting the change.
+
+If this is a release, additionally do the following:
+
+- [ ] Bump the package version in `package.json`
+- [ ] Update the dependencies in `package.json`
+- [ ] Run `npm install` to update `package-lock.json`
+
+Thanks!