Changes to .github/PULL_REQUEST_TEMPLATE.md. All files

.github/PULL_REQUEST_TEMPLATE.md

new file mode 100644@@ -0,0 +1,30 @@+<!--+Before submitting a pull request, please read+https://github.com/nodejs/node-addon-examples/blob/main/CONTRIBUTING.md.++Developer's Certificate of Origin 1.1++By making a contribution to this project, I certify that:++(a) The contribution was created in whole or in part by me and I+    have the right to submit it under the open source license+    indicated in the file; or++(b) The contribution is based upon previous work that, to the best+    of my knowledge, is covered under an appropriate open source+    license and I have the right under that license to submit that+    work with modifications, whether created in whole or in part+    by me, under the same open source license (unless I am+    permitted to submit under a different license), as indicated+    in the file; or++(c) The contribution was provided directly to me by some other+    person who certified (a), (b) or (c) and I have not modified+    it.++(d) I understand and agree that this project and the contribution+    are public and that a record of the contribution (including all+    personal information I submit with it, including my sign-off) is+    maintained indefinitely and may be redistributed consistent with+    this project or the open source license(s) involved.+-->