Update issue templates (#905)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,7 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+Thanks for your interest in helping make Apollo Angular better!

.github/ISSUE_TEMPLATE/question---discussion.md

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+---
+name: Question / Discussion
+about: Questions / discussions are best posted in Apollo's Slack group or StackOverflow.
+
+---
+
+Need help or want to talk all things Apollo Angular? Issues here are reserved for bugs and feature requests, but one of the following resources should help:
+
+* Apollo's Slack: https://www.apollographql.com/slack
+* StackOverflow (`apollo-angular` tag): https://stackoverflow.com/questions/tagged/apollo-angular

.github/ISSUE_TEMPLATE/reporting-a-bug.md

@@ -0,0 +1,35 @@
+---
+name: Reporting a Bug
+about: Open a new issue here if something isn't working as expected.
+
+---
+
+<!--
+  Thanks for filing an issue on Apollo Angular!
+
+  Please make sure that you include the following information to ensure that your issue is actionable.
+
+  If you don't follow the template, your issue may end up being closed without anyone looking at it carefully, because it is not actionable for us without the information in this template.
+-->
+
+**Intended outcome:**
+<!--
+What you were trying to accomplish when the bug occurred, and as much code as possible related to the source of the problem.
+-->
+
+**Actual outcome:**
+<!--
+A description of what actually happened, including a screenshot or copy-paste of any related error messages, logs, or other output that might be related. Places to look for information include your browser console, server console, and network logs. Please avoid non-specific phrases like “didn’t work” or “broke”.
+-->
+
+**How to reproduce the issue:**
+<!--
+If possible, please create a reproduction using https://stackblitz.com/edit/simple-apollo-angular-example and link to it here.
+
+Instructions for how the issue can be reproduced by a maintainer or contributor. Be as specific as possible, and only mention what is necessary to reproduce the bug. If possible, try to isolate the exact circumstances in which the bug occurs and avoid speculation over what the cause might be.
+-->
+
+**Versions**
+<!--
+Provide versions of: apollo-angular, apollo-client and all related apollo packages. Try to also include versions of: TypeScript, Angular and graphql
+-->