codegen: refactor, modularize, core foundation, go-generator

Author: MS-32154

.gitignore

@@ -2,4 +2,5 @@
 temp/
 venv/
 __pycache__/
-*.egg-info/
+*.egg-info/
+codegen_*_test.py

README.md

@@ -1,5 +1,5 @@
 [![PyPI version](https://img.shields.io/pypi/v/py-json-analyzer.svg)](https://pypi.org/project/py-json-analyzer/)
-[![Python 3.12+](https://img.shields.io/badge/python-3.12+-blue.svg)](https://www.python.org/downloads/)
+[![Python 3.12+](https://img.shields.io/badge/python-3.8+-blue.svg)](https://www.python.org/downloads/)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
 # 🔍 JSON Explorer
@@ -21,7 +21,7 @@
 
 ## 📦 Requirements
 
-- Python ≥ 3.7
+- Python ≥ 3.8
 
 - The following Python packages: