Release version 0.2.0

Major refactoring introducing a modular architecture and improved testing
infrastructure.

Added:
- Modular architecture with specialized modules (core, constants, summary,
  statistics, data_quality, visualization, advanced_viz, analysis, comparison)
- Constants-driven design eliminating magic numbers
- Environment detection with safe display for Jupyter and terminal
  compatibility
- Type marker file for PEP 561 compliance
- Testing infrastructure using pytest (69% coverage)
- Code quality tools: Black, Flake8, mypy, isort, and pre-commit hooks
- Documentation system (user guide, API reference, developer guide,
  troubleshooting, gallery)
- GitHub templates for issues and pull requests
- Build system using pyproject.toml (PEP 517/518)

Changed:
- Refactored monolithic eda.py into modular specialized modules
- eda.py now acts as a backward compatibility layer
- Package metadata migrated to pyproject.toml
- Updated Python version support to 3.8–3.12
- Development status updated to Beta

Fixed:
- Consistent function naming across all modules
- Type hints added for all parameters and return values
- Warning management to prevent dependency-related warnings
- Improved cross-environment compatibility

Author: dhaneshbb

.editorconfig

@@ -0,0 +1,25 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+[*.py]
+max_line_length = 88
+
+[*.{yml,yaml}]
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{sh,bash}]
+indent_size = 2
+
+[*.ps1]
+charset = utf-8-bom
+end_of_line = crlf

.flake8

@@ -0,0 +1,34 @@
+[flake8]
+max-line-length = 88
+extend-ignore = E203, E402, W503, E501
+exclude =
+    .git,
+    __pycache__,
+    .venv,
+    venv,
+    env,
+    .eggs,
+    *.egg,
+    build,
+    dist,
+    .tox,
+    .mypy_cache,
+    .pytest_cache,
+    htmlcov,
+    eda-original.py
+
+per-file-ignores =
+    __init__.py:F401,F403
+    tests/*:F401,F403,F811,F841
+    src/insightfulpy/advanced_viz.py:F401,F403,F405,C901
+    src/insightfulpy/analysis.py:F401,F403,F405,C901
+    src/insightfulpy/comparison.py:F401,F403,F405
+    src/insightfulpy/data_quality.py:F401,F403,F405
+    src/insightfulpy/statistics.py:F401,F403,F405
+    src/insightfulpy/summary.py:F401,F403,F405
+    src/insightfulpy/visualization.py:F401,F403,F405
+
+max-complexity = 10
+count = True
+statistics = True
+show-source = True

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,56 @@
+---
+
+name: Bug Report
+about: Report a bug or unexpected behavior
+title: '[BUG] '
+labels: bug
+assignees: ''
+
+---
+
+## Description
+
+A clear description of the bug.
+
+## Steps to Reproduce
+
+1. Import the package
+2. Run the function
+3. Observe the error
+
+## Expected Behavior
+
+What you expected to happen.
+
+## Actual Behavior
+
+What actually happened.
+
+## Environment
+
+- InsightfulPy version:
+- Python version:
+- Operating System (Windows/Linux/macOS):
+- pandas version:
+- numpy version:
+- Installation method (pip, source):
+
+## Code Sample
+
+```python
+# Minimal code to reproduce the issue
+import insightfulpy as ipy
+import pandas as pd
+
+# Your code here
+```
+
+## Error Message
+
+```
+Paste the full error traceback here
+```
+
+## Additional Context
+
+Any other information that might be relevant.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,36 @@
+---
+name: Feature Request
+about: Suggest a new feature or improvement
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+---
+
+## Feature Description
+
+A clear description of the feature you'd like to see.
+
+## Use Case
+
+Explain the problem this feature would solve or the workflow it would improve.
+
+## Proposed Solution
+
+How you envision this feature working.
+
+## Alternative Solutions
+
+Other approaches you've considered.
+
+## Example Usage
+
+```python
+# How you would use this feature
+import insightfulpy as ipy
+
+# Example code
+```
+
+## Additional Context
+
+Any other information that might be relevant.

.github/pull_request_template.md

@@ -0,0 +1,40 @@
+## Description
+
+Brief description of changes in this pull request.
+
+## Type of Change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Breaking change
+- [ ] Documentation
+- [ ] Refactoring
+
+## Changes
+
+- Change 1
+- Change 2
+
+## Checklist
+
+**Testing:**
+- [ ] All tests pass (`pytest`)
+- [ ] Coverage at 80% or above
+- [ ] New tests added for new functionality
+
+**Code Quality:**
+- [ ] Pre-commit hooks pass (`pre-commit run --all-files`)
+
+**Documentation:**
+- [ ] Docstrings added/updated
+- [ ] Type hints added
+- [ ] CHANGELOG.md updated
+- [ ] Documentation in `docs/` updated (if applicable)
+
+## Related Issues
+
+Closes #(issue number)
+
+## Additional Notes
+
+Any additional context for reviewers.