Update the markdown file with ID Extraction Examples for Different Values of idloc" and Strategy for Dealing with Study Protocol

Uploaded two images illustrating GGIR's handling of DST night data; added detailed explanation of GGIR's processing methodology.

Update image/rosa-60763-02.png, image/GGIR Flowchart.png, image/Steps-of-the-heuristic-algorithm-HDCZA-for-SPT-window-detection_W640.jpg, image/rosa-60763-01.png

Labeling is tougher than expected as some of the description in their vignettes sound not 100% right. I need to check everyone. Will continue and complete this or early next week.