feat(tagging-system): Add comprehensive tagging system implementation

- Add tagging system Python package with modular architecture (config, core, impl)
- Create core interfaces for file discovery, content analysis, and tag generation
- Implement content analyzer with language detection and topic extraction
- Implement file discovery engine with directory scanning and filtering
- Implement tag generator with hierarchical tag creation and consolidation
- Add configuration management with example config and validation
- Create comprehensive design and requirements documentation in .kiro/specs
- Add pytest test suite with unit tests for models, interfaces, and config
- Add setup.py, requirements.txt, and pytest.ini for package management
- Add README.md with project overview and usage instructions
- Update workspace.json with new project structure
- Add Excalidraw diagram for system architecture visualization
- Establish foundation for automated vault tagging and metadata management

setup.py

@@ -0,0 +1,49 @@
+"""Setup script for the comprehensive tagging system."""
+
+from setuptools import setup, find_packages
+
+with open("README.md", "r", encoding="utf-8") as fh:
+    long_description = fh.read()
+
+with open("requirements.txt", "r", encoding="utf-8") as fh:
+    requirements = [line.strip() for line in fh if line.strip() and not line.startswith("#")]
+
+setup(
+    name="comprehensive-tagging-system",
+    version="0.1.0",
+    author="Tagging System",
+    description="A comprehensive tagging system for Obsidian vaults",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    packages=find_packages(),
+    classifiers=[
+        "Development Status :: 3 - Alpha",
+        "Intended Audience :: End Users/Desktop",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+    ],
+    python_requires=">=3.8",
+    install_requires=requirements,
+    extras_require={
+        "dev": [
+            "black>=22.0.0",
+            "flake8>=5.0.0",
+            "mypy>=1.0.0",
+        ],
+        "test": [
+            "pytest>=7.0.0",
+            "hypothesis>=6.0.0",
+            "pytest-cov>=4.0.0",
+        ],
+    },
+    entry_points={
+        "console_scripts": [
+            "tagging-system=tagging_system.cli:main",
+        ],
+    },
+)