Update README.rst

Add Analytics Cloud to the list of projects using C++ Format.
Source: https://help.salesforce.com/servlet/servlet.FileDownload?file=015300000035w3yAAA

README.rst

@@ -135,6 +135,13 @@ Projects using this library
 
 * `readpe <https://bitbucket.org/sys_dev/readpe>`_: Read Portable Executable
 
+..
+  C++ Format is listed in ANALYTICS CLOUD NOTICES AND LICENSE INFORMATION:
+  https://help.salesforce.com/servlet/servlet.FileDownload?file=015300000035w3yAAA
+
+* `Salesforce Analytics Cloud <http://www.salesforce.com/analytics-cloud/overview/>`_:
+  Business intelligence software
+
 If you are aware of other projects using this library, please let me know
 by `email <mailto:victor.zverovich@gmail.com>`_ or by submitting an
 `issue <https://github.com/cppformat/cppformat/issues>`_.