Feat/add issues templates

[daniqss]

Pull Request

What does this PR introduce?

Clearly describe what this PR changes or adds.

• Add issue template

Scope of change

Select the affected area(s):

• Builder (Markdown → HTML)
• Pseudocode Lexer
• Pseudocode Parser / AST
• Interpreter / Runtime
• Debugger (step execution)
• CLI
• Documentation
• Tests

Code Quality Checklist

Please confirm that you have followed the project's quality standards:

• N/A

How has this been tested?

• Manual testing
• Unit tests added/updated
• Existing tests pass
• Verified generated HTML output
• Verified step-by-step debugger behavior

Explain briefly what was tested.

Breaking changes?

• No
• Yes (explain below)

If yes, describe:

• What breaks
• Why it breaks
• Migration steps (if needed)

Additional notes

Anything reviewers should know?
Performance implications?
Design decisions?
Future follow-ups?