Update index.html (#9)

* Update index.html

Added two paragraphs for minimal what we do and how to join.

* Update index.html

* Added missing period

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Co-authored-by: Julia Damerow <jdamerow@users.noreply.github.com>

Author: maltevogl

index.html

@@ -12,6 +12,9 @@ <h1>Community Code Review</h1>
    <p>
       <i>Code review</i> is a widespread technique to improve software and reduce the number of flaws. In a code review, a programmer (other than the original code author(s)) reviews the source code. They ask questions and make suggestions for improving the software. In addition to identifying and eliminating errors, code review can improve overall quality by making the source code more readable and maintainable.</p>
 
+<p> Many Digital Humanities projects are build by rather small teams which makes such reviews challenging. This working group has developed a community code review system for the digital humanities to enable external reviews by volunteers. </p>
+<p>You can become part of the working group in various roles. Submit your code or join the pool of potential reviewers or facilitators. You are also welcome to join our working group meetings, see <a href="https://dh-tech.github.io/working-groups/">DHTech Working Groups</a>.</p>
+
     <p>
         <a href="submit-code.html" class="btn btn-primary btn-sm" type="submit">Submit Code for Review</a>
         &nbsp;