What is the origin and publication history of the Shri Sai Satcharita as described in the provided text?

The information in Chapter 0 describes the "Shri Sai Satcharita" as a recent, sweet, and inspirational biography of the modern saint Shri Sachidanand Samarth Sadguru Sai Baba Maharaj of Shirdi. It was authored by the devotee Shri Govind Raghunath, also known as Annasaheb Dabholkar. A key detail about its origin is its unique publication method. The work was not released all at once but was published serially, chapter by chapter, over a span of six years in the "Shri Sai Leela" magazine before being completed with a final concluding chapter.