Added

• CLI handler
• main function in __main__.py
• README.md
• clear function functions.py
• clear_all function in functions.py
• update function functions.py
• update_all function functions.py
• run_dmeta function functions.py
• dmeta_help function functions.py
• extract_namespaces function in util.py
• remove_format function in util.py
• extract_docx function in util.py
• read_json function in util.py