Update animated software overview to README

* Add animated gif image with short software overview to
  README

Author: markheckmann

NEWS.Rmd

@@ -3,14 +3,9 @@ title: "NEWS"
 output: html_document
 ---
 
-## TODOs
-
--   Because this is a shiny app, I think it would be nice to have a gif in the package README file
-    showing how to use the app instead of just a screenshot of the interface, or at least a few more
-    screenshots indicating the steps to run the analysis
-
 ## v0.6.1
 
+-   Add animated gif image with short software overview to README
 -   New `Sample output`tab added with extracts from the output for Sylvia's grid
 -   Additional test raising test coverage to over 90%
 -   Button to load sample data and get started right away without uploading any data

README.Rmd

@@ -106,10 +106,12 @@ ic()
 
 Also, we provide a docker image under
 <https://hub.docker.com/repository/docker/markheckmann/openrepgrid.ic> with a short instruction on
-how to run it locally. A screenshot of the user interface is displayed in Figure 2. The image shows
-a grid dataset from an interview with *Sylvia* which is also contained in the package.
+how to run it locally. A video of the software is displayed in Figure 2. It shows the various tabs
+and processes a grid dataset from an interview with *Sylvia* which is also contained in the package.
 
-![*Figure 2*: Screenshot of the software.](inst/extdata//02-screenshot.png)
+<!-- ![*Figure 2*: Screenshot of the software.](inst/extdata/02-screenshot.png) -->
+
+![*Figure 2*: Software overview.](inst/extdata/software-animation.gif)
 
 The results of the IC analysis are not displayed interactively but are included in an MS Excel file
 that can be generated and downloaded. Also the results of the intermediate IC steps as described in