Major Updates: Rebrand to Think and Syntax Modernization

[lwgray]

Summary

This PR includes two major changes:

1. Rebranding from ThinkPy to Think

File Changes

1. Directory Rename

- thinkpy/
+ think/

2. Class Renames

- class ThinkPyParser
+ class ThinkParser

- class ThinkPyInterpreter
+ class ThinkInterpreter

- class ThinkPyError
+ class ThinkError

- class ThinkPyMagics
+ class ThinkMagics

3. Function Renames

- def parse_thinkpy
+ def parse_think

- def thinkpy (magic command)
+ def think (magic command)

4. Package Configuration (pyproject.toml)

[project]
- name = "thinkpy"
+ name = "think"
- description = "ThinkPy - A language for learning computational thinking"
+ description = "Think - A language for learning computational thinking"

[project.urls]
- Homepage = "https://github.com/lwgray/thinkpy"
+ Homepage = "https://github.com/lwgray/think"

5. Documentation Updates

- # ThinkPy
+ # Think

- ThinkPy is an educational programming language
+ Think is an educational programming language

Migration Guide

For Users

1. Update imports:

   
   # Old
   from thinkpy import ThinkPyInterpreter

New

from think import ThinkInterpreter

2. Update Jupyter magic:
```python
# Old
%%thinkpy

# New
%%think

3. Update syntax in existing code:
   • Replace curly braces with colons
   • Replace else if with elif
   • Update loop syntax to use for instead of repeat
   • Add end keyword after loops
   • Update indentation to match new style

For Contributors

1. Update local repository:

   git remote set-url origin https://github.com/lwgray/think.git

2. Update documentation references:

   • Change domain references to think-lang.org
   • Update examples to use new syntax
   • Review all documentation for old branding

Versioning Impact

This is a breaking change that warrants a major version increment:

- version = "0.1.9"
+ version = "1.0.0"

Rationale

1. Branding:
   • Cleaner, more professional name
   • Broader appeal beyond Python community
   • Better represents focus on thinking/learning
   • Reduces potential trademark concerns

Testing Checklist

• [ ] Update all test files with new syntax
• [ ] Verify Jupyter integration
• [ ] Test backward compatibility warnings
• [ ] Validate documentation examples

Documentation Tasks

• [ ] Update all examples to new syntax
• [ ] Update installation instructions
• [ ] Review all docstrings
• [ ] Update language reference