update README

README.md

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 Raw and some derived datasets supplementary to: 
 [Dominiak SE, Nashaat MA, Sehara K, Oraby H, Larkum ME, Sachdev RNS (2019) Whisking asymmetry signals motor preparation and the behavioral state of mice. _J Neurosci, in press_](https://doi.org/10.1523/JNEUROSCI.1809-19.2019).
 
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+
 ### Contents
 
-- [How datasets were generated](#how-datasets-were-generated)
-  - [Setup](#setup)
-  - [Task](#task)
-  - [Experimental conditions](#experimental-conditions)
-  - [Acquisition and basic analysis](#acquisition-and-basic-analysis)
+[**How datasets were generated**](#how-datasets-were-generated)
+
+- [Setup](#setup)
+- [Task](#task)
+- [Experimental conditions](#experimental-conditions)
+- [Acquisition and basic analysis](#acquisition-and-basic-analysis)
     - [Raw videos](#raw-videos)
     - [Behavioral states](#behavioral-states)
-    - [Body-part tracking using UV paint](#body-part-tracking-using-uv-paint)
-- [How this dataset can be read](#how-this-dataset-can-be-read)
-- [Repository information](#repository-information)
-  - [Authors](README.md#authors)
-  - [License](README.md#license)
+    - [Body-part tracking using UV paint](#body-part-tracking-using-uv-paint)   
+    
+[**How this dataset can be read**](#how-this-dataset-can-be-read)
+
+[**Repository information**](#repository-information)
+
+- [Authors](README.md#authors)
+- [License](README.md#license)
 
 
+----------
 
 ## How datasets were generated