Add issue template and template chooser (#1526)

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,81 @@
+name: Bug Report
+description: File a bug report
+labels: [bug]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+        
+        Please do not submit feature requests. The [Community Forums](https://community.bitwarden.com) has a section for submitting, voting for, and discussing product feature requests.
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps To Reproduce
+      description: How can we reproduce the behavior.
+      value: |
+        1. Go to '...'
+        2. Click on '....'
+        3. Scroll down to '....'
+        4. Click on '...'
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Result
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Result
+      description: A clear and concise description of what is happening.
+    validations:
+      required: true
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots or Videos
+      description: If applicable, add screenshots and/or a short video to help explain your problem.
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context about the problem here.
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      description: What operating system are you seeing the problem on?
+      multiple: true
+      options:
+        - Android
+        - iOS
+    validations:
+      required: true
+  - type: input
+    id: os-version
+    attributes:
+      label: Operating System Version
+      description: What version of the operating system(s) are you seeing the problem on?
+  - type: input
+    id: device
+    attributes:
+      label: Device
+      description: Which device are you seeing the problem on?
+      placeholder: iPhone 12, Samsung Galaxy S10
+  - type: input
+    id: version
+    attributes:
+      label: Build Version
+      description: What version of our software are you running? (go to "Settings" → "About" in the app)
+    validations:
+      required: true
+  - type: checkboxes
+    id: beta
+    attributes:
+      label: Beta
+      options:
+        - label: Using a pre-release version of the application.