chore: configure GitHub template chooser (#432)

* chore: configure GitHub template chooser

* Prevent blank issues

* Add link to discussions on GitHub

* Put ESLint redirect back in

Author: HonkingGoose

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,9 @@
+blank_issues_enabled: false
+contact_links:
+  - name: ESLint
+    url: https://github.com/eslint/eslint/issues
+    about: Report problems with the ESLint program itself to the ESLint project.
+
+  - name: Ask a Question, Discuss
+    url: https://github.com/testing-library/eslint-plugin-testing-library/discussions
+    about: Look for `eslint-plugin-testing-library` Questions and Discussions or start a new one