Convert OPML to RMD

OPML, or Outline Processor Markup Language, is a file format utilized primarily for outlining data structures. Initially developed in 2000 by UserLand Software, OPML was designed to facilitate the exchange of outline-based information between different software applications. Its uses have expanded over time, notably in organizing RSS feed lists and managing hierarchical data. The OPML file extension denotes XML-based documents that offer simplicity and interoperability in transferring structured information across diverse platforms. In essence, OPML serves as a versatile tool in the realm of data organization and syndication.

The RMD file extension stands for "R Markdown Document". It is primarily used in data analysis and reporting workflows within the R programming environment. RMD files allow users to incorporate executable R code, along with text, into a single document, facilitating the creation of dynamic and reproducible reports. The format was introduced as part of the RStudio IDE to streamline the documentation process and enhance data storytelling capabilities. Over time, it has become integral in fields such as data science and academia due to its versatility and ease of use in generating comprehensive reports and presentations.