Add issue templates (#249)

* Add issue templates

We've needed this for a while, due to bug reports that don't really mean anything.

* response to feedback

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,39 @@
+---
+name: Bug report
+about: Found a bug? Report it here
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Description**
+A clear and concise description of what the bug is.
+
+**Steps to reproduce**
+***If you cannot reproduce the bug, please describe what you were doing in as much detail as possible***
+*If you were scanning using the QR scanner, ensure you include a link to the theme you were attempting to download.*
+
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+Add screenshots of any error screens you encountered. Bug reports without screenshots will take longer to solve, so we recommend you get some!
+
+
+**Crash dumps**
+If your bug causes a crash in Luma3DS, please upload any crash dumps generated. You can find these in `SD:/luma/dumps/armX` (`X = 9 or 11`) with the name Luma3DS's exception handlers give you.
+
+
+**System information**
+*System model* e.g. new3DS XL
+
+*System firmware version* e.g. 11.14.0 (this can be found in the System Settings applet by default)
+
+*Anemone3DS version* e.g. v2.2.0 (found in the bottom-left of Anemone3DS)
+
+*Luma3DS version* e.g. v10.2.1 (found in the menu when you hold Select on boot)
+
+
+**If you are not on the [latest version of Anemone3DS](https://github.com/astronautlevel2/Anemone3DS/releases/latest), your bug report will likely be closed. Ensure the bug occurs in the latest build!**

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.