Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+> Hi! Thank you for helping improve Calamares. If you are seeing a problem in installing a specific distribution, you should **probably** report the problem in the distribution's bug tracker, first. That helps filter out issues with packaging, mis-configuration, etc. that Calamares has no control over. If you are a distribution packager or maintainer, this page is for you.
+
+**Describe the bug**
+A clear and concise description of what the bug is. Please include 32/64 bit machine details, EFI/BIOS details, and disk setup.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots and Logs**
+If applicable, add screenshots to help explain your problem. Calamares has an installation log (usually `~/.cache/calamares/session.log`), please check it for confidential information and attach it if possible.
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+**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.