updated docs

docs/docs/main_menu.xml

@@ -386,6 +386,10 @@
                   <name>Logger_Advanced</name>
                   <link>logger_ex_2.cpp.html</link>
                </item>
+               <item>
+                  <name>Logger_Custom_Output</name>
+                  <link>logger_custom_output_ex.cpp.html</link>
+               </item>
                <item>
                   <name>XML_Parser</name>
                   <link>xml_parser_ex.cpp.html</link>

docs/docs/other.xml

@@ -277,6 +277,7 @@
          <examples>
             <example>logger_ex.cpp.html</example>
             <example>logger_ex_2.cpp.html</example>
+            <example>logger_custom_output_ex.cpp.html</example>
             <example>pipe_ex.cpp.html</example>
          </examples>