Convert TXT COMMONMARKX to MD

The TXT file extension, which represents CommonMark Markdown Language with Extensions is a standardized, plain-text formatting syntax designed to be converted to HTML. CommonMark aims to improve the readability and portability of text, and it is widely used in documentation, forums, and note-taking applications. Extensions enhance its functionality, such as adding support for annotations, form inputs, and other features.

The MD file extension stands for "Markdown Documentation", a lightweight markup language used primarily for creating formatted text using a plain-text editor. Originally created by John Gruber in 2004, Markdown aims to be an easy-to-read and easy-to-write syntax for web content creation. Its primary use is in documentation files, readme files, and other technical documents where both simplicity and readability are paramount. The MD extension facilitates smooth conversion into HTML and other formats, making it an essential tool for developers and technical writers.