chore: add new plugin request template

.github/ISSUE_TEMPLATE/NEW_PLUGIN.md

@@ -0,0 +1,47 @@
+---
+name: 🔌 New Plugin Request
+about: Request a new Core plugin
+
+---
+
+<!--
+  ⚡️ katchow! We 💛 issues.
+
+  Please - do not - remove this template.
+  Please - do not - skip or remove parts of this template.
+  Or your issue may be closed.
+
+  👉🏽 Need help or tech support? Please don't open an issue!
+  Head to https://gitter.im/rollup/rollup or https://stackoverflow.com/questions/tagged/rollupjs
+
+  ❤️ Rollup? Please consider supporting our collective:
+  👉 https://opencollective.com/rollup/donate
+-->
+
+Request Checklist:
+
+<!--
+  Required Steps Before Opening This Issue
+  Please [x] check the boxes to acknowledge you have performed these tasks
+-->
+- [ ] I have searched https://npmjs.com/ before opening this issue
+- [ ] I have searched https://github.com/rollup/awesome before opening this issue
+
+### New Plugin Use Case
+
+<!--
+  Please describe the need for the new plugin, how it makes
+  sense for your scenario, or other information that describes
+  the community need for this plugin.
+
+  Screenshots are great if you have them.
+  Code is great to see if you can provide snippets.
+-->
+
+### New Plugin Proposal
+
+<!--
+  Use this area to describe how the new plugin might behave,
+  options that it might have, or other resources that might
+  be useful to the plugin you're proposing.
+-->

.prettierignore

@@ -0,0 +1,3 @@
+.github/ISSUE_TEMPLATE
+.github/ISSUE_TEMPLATE.md
+.github/PULL_REQUEST_TEMPLATE.md