Update commercial support section in project README (#932)

* Refs #21890: Update commercial support section in project README

Signed-off-by: eProsima <jesuspoderoso@eprosima.com>

* Refs #21890: Fix docs header due to tab name

Signed-off-by: eProsima <jesuspoderoso@eprosima.com>

---------

Signed-off-by: eProsima <jesuspoderoso@eprosima.com>

Author: JesusPoderoso

README.md

@@ -10,6 +10,14 @@
 as defined and maintained by the Object Management Group (OMG) consortium. RTPS is also the wire interoperability protocol defined for the Data Distribution
 Service (DDS) standard. *eProsima Fast DDS* exposes an API to access the RTPS protocol directly, giving the user full access to the protocol internals.
 
+## Commercial support
+
+Looking for commercial support? Write us to info@eprosima.com
+
+Find more about us at [eProsima’s webpage](https://eprosima.com/).
+
+## Key features
+
 Some of the main features of this library are:
 
 * Configurable best-effort and reliable publish-subscribe communication policies for real-time

docs/02-formalia/titlepage.rst

@@ -1,8 +1,6 @@
-.. raw:: html
 
-  <h1>
-    eProsima Fast DDS Documentation
-  </h1>
+eProsima Fast DDS Documentation
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. image:: /01-figures/logo.png
   :height: 100px