user-guide.md

+# Description
+This tool allows:
+- teachers to annotate students homework, and ask question
+- students to see the annotations and feedback, and give answers
+- both to get a pdf document with all annotations and answers.
+
+# Teacher part
+When a course is allowed to use this plugin, the teacher will have the custom tools bar to annotate the homework. He can use all enabled tools, and draw into the work-area.
+
+There is different type of tools, described in the configuration part. Most all of them allows:
+- to set a comment
+- to change the default size of display
+- to choose an existing text to save time, and complete it
+- to transform the annotation into a question
+
+![Sélection_016](/uploads/f434d5f3774b7d4498d50bf190f16465/Sélection_016.png)
+
+Some allows:
+- to change the colour/border
+- to change the orientation of the associate stamp
+