Convert TXT JIRA to PPM

The Jira/Confluence Wiki Markup, often stored with a TXT file extension, referred to as Wiki Markup, is used in Atlassian's Jira and Confluence applications for creating and formatting content. It allows users to write text in a simplified markup language, which is then converted into rich text. This format is particularly useful for documentation, linking to specific parts of pages, and embedding macros. Wiki Markup has been a part of Confluence since its early versions, enabling users to easily manage and organize information.

The Portable Pixmap (PPM) file extension, an image format within the Netpbm family, stores simple, uncompressed images. Introduced in the late 1980s, PPM supports RGB color and grayscale images, making it suitable for basic image processing and conversion tasks. Its plain text encoding simplifies debugging and data manipulation, although its lack of compression results in larger file sizes compared to modern formats. As such, PPM finds limited use in contemporary applications, mainly in educational and experimental settings where ease of implementation and readability are prioritized.