config (#62): add pr template for plugin pull requests

.github/PULL_REQUEST_TEMPLATE/plugin_template.md

@@ -0,0 +1,14 @@
+<!-- PLUGIN PULL REQUEST TEMPLATE -->
+<!-- (Update "[ ]" to "[x]" to check a box) -->
+
+👋 Hello and thank you for your contribution!
+
+**The PR fulfills these requirements:**
+
+- [ ] 🚀 Works with the latest major version of Cypress
+- [ ] 🛠 Plugin purpose is clearly documented (in a README or docs website)
+- [ ] 📝 Well-written documentation - A great example ([link](https://github.com/Fredx87/cypress-keycloak-commands#cypress-keycloak-commands))
+- [ ] 🔬 Tested using Cypress - tests using Cypress can act as both example usage _and_ test coverage
+- [ ] 👷‍♀️ CI pipeline that's passing (CircleCI and [Github Actions](https://github.com/cypress-io/cypress-tutorial-build-todo/blob/master/.github/workflows) are both free for Open Source)
+
+If you have reason to believe your plugin does not need to meet certain requirements, please document it below.