chore: added pull request and issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: bug
+assignees: ''
+---
+
+## Bug Description
+A clear and concise description of what the bug is.
+
+## Steps To Reproduce
+1. Set up environment with '...'
+2. Initialize with '...'
+3. Run code '...'
+4. See error
+
+## Expected Behavior
+A clear and concise description of what you expected to happen.
+
+## Actual Behavior
+A clear and concise description of what actually happened.
+
+## Code Example
+```go
+// Minimal code example that reproduces the issue
+```
+
+## Environment
+- Go version: [e.g., 1.20.1]
+- OS: [e.g., macOS 12.6]
+- Package version: [e.g., v1.0.0]
+- AWS SDK version: [e.g., v2.0.0]
+
+## Additional Context
+Add any other context about the problem here, such as:
+- Related issues
+- Error messages
+- Stack traces
+- Log outputs

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+---
+
+## Problem Statement
+A clear and concise description of what problem this feature would solve. Ex. I'm always frustrated when [...]
+
+## Proposed Solution
+A clear and concise description of what you want to happen.
+
+## Alternative Solutions
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Example Usage
+```go
+// Example code showing how the feature would be used
+```
+
+## Benefits
+Describe the benefits this feature would bring to users of the package.
+
+## Additional Context
+Add any other context, references, or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

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+## Description
+Please include a summary of the change and which issue is fixed. Include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of Change
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Code cleanup or refactor
+
+## How Has This Been Tested?
+Please describe the tests that you ran to verify your changes:
+
+1. Test case description
+2. Test coverage details
+3. Any specific edge cases considered
+
+## Test Configuration
+* Go version:
+* OS:
+* AWS SDK version (if relevant):
+
+## Checklist
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published in downstream modules
+- [ ] I have checked my code and corrected any misspellings
+
+## Additional Notes
+Add any additional notes about the PR here.