v0.1.0

• Initial release of odfdecrypt
• LibreOffice decryption support:
  • Modern format: AES-256-GCM with Argon2id key derivation
  • Legacy format: AES-256-CBC with PBKDF2-SHA1 key derivation
• Apache OpenOffice decryption support:
  • Blowfish-CFB with PBKDF2-SHA1 key derivation
• Origin detection: Automatic detection of source application (LibreOffice vs Apache OpenOffice)
• Command-line interface (odfdecrypt):
  • Decrypt files with --file and --password options
  • Custom output path with --output
  • Auto-detection and fallback between decryption methods
  • Automatic handling of non-encrypted files (copies them)
• High-level API:
  • decrypt(odf, password) - Auto-detects origin and decrypts ODF files
  • detect_origin(file_path) - Detects whether file is from LibreOffice or Apache OpenOffice
  • Support for both file paths and BytesIO objects with automatic fallback
• Low-level API:
  • LibreOfficeDecryptor class for LibreOffice files
  • AOODecryptor class for Apache OpenOffice files
  • ODFOriginDetector class for origin detection
  • is_encrypted() utility function
• Comprehensive exception hierarchy:
  • ODFDecryptError (base exception)
  • InvalidODFFileError
  • ManifestParseError
  • UnsupportedEncryptionError
  • DecryptionError
  • IncorrectPasswordError
  • ChecksumError
  • DecompressionError
• Warnings:
  • NotEncryptedWarning - Issued when attempting to decrypt a non-encrypted file (returns original content gracefully)
• Support for all ODF file types: .odt, .ods, .odp, .odg, .odf, .odb, .odc, .odm, and templates
• GitHub Actions workflows for automated testing and publishing
• Multi-version Python testing (3.10, 3.11, 3.12, 3.13, 3.14)