Update issue templates (#760)

* Update issue templates

Author: cmonfortep

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug, needs triage
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**How to Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+If applicable, please include information about any settings that may be relevant to this issue (e.g. selected theme, auto clear option, etc).
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Smartphone (please complete the following information):**
+ - DDG App Version: (e.g. 5.25.0) Version can be found:
+     - DDG App settings: Settings -> Version
+     - System settings: Settings -> Apps & notifications -> App Info
+ - Device: [e.g. Pixel 2, Samsung s10]
+ - OS: [e.g. Android 10]
+ - If applicable, add screenshots to help explain your problem.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature request, needs triage
+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 or the user experience you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.