language-matrix: Add a section pointing to the pipeline

gap-analysis/language-matrix.html

@@ -146,6 +146,20 @@ <h2>Color key</h2>
 
 
 
+<section id="pipeline">
+<h2>Gap-analysis pipeline</h2>
+
+<p>The chart at the following URL shows what gaps have been discovered so far, and indicates  the resolution status  for each of those gaps. The columns of the pipeline chart show which gaps have been reported to spec developers,  which have been reported to browser implementers, and  which have been successfully resolved.</p>
+
+<p style="text-align: center; font-size: 1.2em;"><a href="https://github.com/w3c/i18n-activity/projects/3">Gap-analysis Pipeline</a></p>
+
+<p>The pipeline is regularly updated. If the same gap has been reported for multiple languages, only one card appears in the pipeline, however labels indicate the languages for which the gap was reported.</p>
+</section>
+
+
+
+
+
 
 <section id="howto">
 <h2>Detailed information about the chart</h2>