DOC: updated intro topic for PGPROEE10 release

Author: Liudmila Mantrova

doc/src/sgml/intro.sgml

@@ -289,6 +289,28 @@
     <listitem>
      <simpara><application>pg_tsparser</application> module is an alternative text search parser.</simpara>
     </listitem>
+      <listitem>
+        <simpara>
+          <filename>pg_shardman</filename> module is an experimental extension
+          that enables sharding, aiming for scalability and fault tolerance
+          with transaction support. It provides best results for
+          <acronym>OLTP</acronym> workloads.
+        </simpara>
+      </listitem>
+      <listitem>
+        <simpara>
+          <filename>in-memory</filename> module
+          enables you to store data in <productname>&productname;</productname>
+          shared memory.
+        </simpara>
+      </listitem>
+      <listitem>
+        <simpara>
+          <filename>vops</filename> module enables vertical data model
+          for &productname;. It can speed up <acronym>OLAP</acronym> queries
+          with filtering and aggregation by times.
+        </simpara>
+      </listitem>
    </itemizedlist>
   </para>