Update README.md

README.md

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 # Centre for Excellence
 
-This repo is used to define Centre for Excellence' mission statement.
+The Centre for Excellence sets the technical direction for Data and Analytics Engineering. See the [mission statement](https://moj-analytical-services.github.io/dmet-cfe/) for how we do this.
 
-It also documents various investigations completed by the Centre for Excellence.
+## Investigations
+
+Summarises investigations into new technologies, tools and approaches. Slides are created using Markdown and [Marp](https://marp.app/) and published to https://moj-analytical-services.github.io/dmet-cfe/<investigation_name> using a GitHub action