Update README.md

Author: timlinux

README.md

@@ -1,3 +1,13 @@
+
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+# NOTE
+# NOTE
+# NOTE
+# This site is deprecated - see [https://github.com/qgis/QGIS-WebSite](https://github.com/qgis/QGIS-WebSite) for the current version.
+# NOTE
+# NOTE
+# NOTE
+
 <img src="https://github.com/qgis/QGIS/blob/master/images/README-md/main_logo.png" width="300" alt="Our full logo">
 
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