Grounding dataset v1

I have added a landing page for our "Dataset for Grounding of Formulae, Version 1".

The repository of the actual dataset mentioned as "download link" also has been prepared.

Please kindly check all the changes to the website are fine for you.

resources/grounding-dataset.md

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 layout: page
-title: Dataset for Grounding of Formulae, Version 1
+title: Dataset for Grounding of Formulae
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 ### Basic Information
 
 * Author: Takuto Asakura, André Greiner-Petter, Akiko Aizawa, and Yusuke Miyao
-* Release date: 2020-03-18
+* Updated: 2020-03-26
 
 ### Accessibility and License
 
@@ -20,7 +20,7 @@ itself.
 
 ### Description
 
-This is the first public release of the dataset for grounding of formulae.
+This is the project to create a dataset for grounding of formulae.
 
 As a trial work, this dataset consists of an annotated long paper (20 pages in
 PDF):