Update guide.md

docs/guide.md

@@ -7,13 +7,24 @@ version 0.1
 * QURATOR project (https://qurator.ai/)
 
 ### 2. User Guide
-#### Technical Requirements (Javascript enabled, Browser-Compatibility)
-* Input format (https://sites.google.com/site/germeval2014ner/data)
+#### Technical Requirements 
+* Javascript enabled, Browser-Compatibility?
+* Data input format (https://sites.google.com/site/germeval2014ner/data)
 * Data preparation ([Python tools](https://github.com/cneud/ner.edith/tree/master/tools))
 #### Overview of Editor Features
   * Navigation
     * use mouse wheel to scroll up and down
     * use navigation `<<` and `>>` to move faster
+    * show image snippet
+  * Tagging
+    * adding a tag
+    * removing a tag
+    * changing a tag
+  * OCR correction
+    * editing the token text
+  * Segmentation correction
+    * merging two tokens
+    * splitting a token
 #### Data export/Saving progress
 The editor runs fully locally in the browser. Therefore it can not automatically save any changes you made to disk. You have to use the "Save changes" button in order to do that manually from time to time.