Add custom issue templates; fixes #1421 (#1460)

.github/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -0,0 +1,49 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+<!-- All bug reports must provide the following background information -->
+
+### Background information
+
+- **Dendrite version or git SHA**: 
+- **Monolith or Polylith?**: 
+- **SQLite3 or Postgres?**: 
+- **Running in Docker?**: 
+- **`go version`**: 
+
+<!--
+
+This is a bug report template. By following the instructions below and
+filling out the sections with your information, you will help the us to get all
+the necessary data to fix your issue.
+
+You can also preview your report before submitting it. You may remove sections
+that aren't relevant to your particular case.
+
+Text between <!-- and --​> marks will be invisible in the report.
+
+-->
+
+### Description
+
+<!-- Describe here the problem that you are experiencing -->
+
+### Steps to reproduce
+
+- list the steps
+- that reproduce the bug
+- using hyphens as bullet points
+
+<!--
+Describe how what happens differs from what you expected.
+
+If you can identify any relevant log snippets from server logs, please include
+those (please be careful to remove any personal or private data). Please surround them with
+``` (three backticks, on a line on their own), so that they are formatted legibly.
+
+Alternatively, please send logs to @kegan:matrix.org or @neilalexander:matrix.org
+with a link to the respective Github issue, thanks!
+-->

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+<!--
+Please do not open feature requests for missing parts of the Matrix specification.
+We are tracking those features under https://github.com/matrix-org/dendrite/issues?q=is%3Aissue+is%3Aopen+label%3Aare-we-synapse-yet
+-->
+
+**Description:**
+
+<!-- Describe here the feature you are requesting. -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,5 +2,5 @@
 
 <!-- Please read CONTRIBUTING.md before submitting your pull request -->
 
-* [ ] I have added any new tests that need to pass to `testfile` as specified in [docs/sytest.md](https://github.com/matrix-org/dendrite/blob/master/docs/sytest.md)
+* [ ] I have added any new tests that need to pass to `sytest-whitelist` as specified in [docs/sytest.md](https://github.com/matrix-org/dendrite/blob/master/docs/sytest.md)
 * [ ] Pull request includes a [sign off](https://github.com/matrix-org/dendrite/blob/master/docs/CONTRIBUTING.md#sign-off)