Add Paperless Finance Report Tool - Complete implementation

A Python CLI tool for generating financial reports from Paperless-ngx:

- Phase 1 (MVP): Config handling, Paperless API client with auth and
  pagination, custom fields extraction, tag-based summation, CLI output
- Phase 2 (Grouping): Multiple grouping criteria (tag, correspondent,
  category, payment type, month, quarter, year), percentage distribution
- Phase 3 (Reports): HTML reports with Chart.js diagrams (doughnut, bar,
  line charts), PDF export via WeasyPrint, JSON and CSV export
- Phase 4 (Comfort): Automatic tag ID resolution, disk caching with
  diskcache, colorized logging, comprehensive error handling

Features:
- Flexible date filtering (year, month, date range)
- Period comparison with change analysis
- Swiss franc formatting (CHF with apostrophe separators)
- Interactive HTML reports with sortable tables and document links
- Multiple output formats (CLI, HTML, PDF, JSON, CSV)

paperless-report/setup.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+"""
+Setup-Skript für das Paperless Finance Report Tool.
+"""
+
+from setuptools import setup, find_packages
+from pathlib import Path
+
+# README einlesen
+readme_path = Path(__file__).parent / 'README.md'
+long_description = ''
+if readme_path.exists():
+    long_description = readme_path.read_text(encoding='utf-8')
+
+setup(
+    name='paperless-report',
+    version='1.0.0',
+    description='Finanz-Auswertungstool für Paperless-ngx',
+    long_description=long_description,
+    long_description_content_type='text/markdown',
+    author='Your Name',
+    author_email='your.email@example.com',
+    url='https://github.com/yourusername/paperless-report',
+    license='MIT',
+
+    py_modules=[
+        'main',
+        'config',
+        'paperless_client',
+        'extractor',
+        'report_generator',
+    ],
+
+    include_package_data=True,
+    package_data={
+        '': ['templates/*.html', 'config.yaml.example'],
+    },
+
+    install_requires=[
+        'requests>=2.31.0',
+        'click>=8.1.7',
+        'pyyaml>=6.0.1',
+        'jinja2>=3.1.2',
+        'python-dateutil>=2.8.2',
+        'tabulate>=0.9.0',
+        'tqdm>=4.66.1',
+    ],
+
+    extras_require={
+        'full': [
+            'weasyprint>=60.1',
+            'diskcache>=5.6.3',
+            'colorlog>=6.8.0',
+        ],
+        'dev': [
+            'pytest>=7.4.0',
+            'pytest-cov>=4.1.0',
+            'black>=23.7.0',
+            'flake8>=6.1.0',
+            'mypy>=1.5.0',
+        ],
+    },
+
+    entry_points={
+        'console_scripts': [
+            'paperless-report=main:main',
+        ],
+    },
+
+    python_requires='>=3.8',
+
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'Environment :: Console',
+        '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',
+        'Programming Language :: Python :: 3.12',
+        'Topic :: Office/Business :: Financial :: Accounting',
+    ],
+
+    keywords='paperless paperless-ngx finance report accounting',
+)