Add PowerStore-specific issue templates

[pavithra-mahadev]

Summary

Added comprehensive PowerStore-specific issue templates for the PyPowerStore Python SDK repository.

Changes Made

• Bug Report Template - Protected "[BUG]: " prefix with PowerStore-specific fields
• Feature Request Template - Protected "[FEATURE]: " prefix with Python SDK examples
• Question Template - Protected "[QUESTION]: " prefix with troubleshooting guidance
• Configuration Template - PowerStore-specific documentation and support links

Key Features

• Mandatory Title Prefixes - All templates enforce non-removable prefixes: [BUG]:, [FEATURE]:, [QUESTION]:
• PowerStore-Specific Content - Tailored for Python SDK users with relevant examples
• Environment Fields - Python version, PyPowerStore version, PowerStore environment details
• Code Examples - Python code snippets for reproduction and use cases
• API Considerations - PowerStore API-specific guidance

Benefits

• Improves issue quality and consistency
• Provides better context for developers
• Reduces back-and-forth for missing information
• Streamlines issue triage and resolution

Testing

• All templates validate correctly
• Title protection works as expected
• Fields are appropriate for Python SDK users