Update issue templates (#92)

Author: mattcompiles

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,23 @@
+---
+name: Bug report
+about: Report a Bug
+title: ''
+labels: ''
+assignees: ''
+---
+
+<!-- NOTE: Issues should only be used for actual issues. Any feature requests or general feedback should be raised in [Github Discussions](https://github.com/seek-oss/vanilla-extract/discussions) -->
+
+### Describe the bug
+<!-- A clear and concise description of what the bug is, including any error message that were displayed. -->
+
+### Link to reproduction
+<!-- Add a link to a repo or codesandbox showcasing the issue. Issues without a reproduction will likely be closed without action. -->
+
+### System Info
+
+Output of `npx envinfo --system --npmPackages @vanilla-extract/css,@vanilla-extract/webpack-plugin,@vanilla-extract/esbuild-plugin,@vanilla-extract/vite-plugin,@vanilla-extract/sprinkles,webpack,esbuild,vite --binaries --browsers`:
+
+```node
+
+```

.prettierignore

@@ -5,4 +5,5 @@ dist
 CHANGELOG.md
 .yarn/
 README.md
-.yarnrc.yml
+.yarnrc.yml
+.github/ISSUE_TEMPLATE