Update issue templates

Adding initial issue template.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,45 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[BUG]"
+labels: bug, triage
+assignees: ''
+
+---
+
+## Describe the Bug
+
+_A clear and concise description of what the bug is, ideally within a sentence or two._
+
+## Steps to Reproduce
+
+_Provide a detailed step by step description of how to reproduce the bug._
+
+1. Run command '...'
+2. With options '...'
+3. See error '...'
+
+## Expected Behavior
+
+_A description of what you expected to happen._
+
+## Actual Behavior
+
+_What actually happened._
+
+## Screenshots or Terminal Output
+
+_If applicable, add screenshots or copy-paste the terminal output to help explain your problem._
+
+## Environment Details
+
+- **Operating System:**
+- **CLI Version:**
+- **Shell:**
+- **Additional context:**
+
+_Any other context about the problem here._
+
+## Possible Solution
+
+_If you have a suggestion for how to fix the issue or identify what's going wrong, include it here._