kamailio-kemi-framework: listed python3 and ruby in the overview

kamailio-kemi-framework/docs/index.md

@@ -72,7 +72,7 @@ For each new KEMI supported scripting language a module has to be developed for
 Kamailio to the scripting language interpreter.
 
 At this moment there are couple of supported KEMI scripting languages, respectively `JavaScript`, `Lua`, `Python`,
-`Squirrel` -- see next sections for more details about these programming languages.
+`Python3`, `Ruby`, `Squirrel` -- see next sections for more details about these programming languages.
 
 Note: Kamailio has other modules that allow inline execution of scripts written in other programming languages, such
 as `Perl`, `.Net` (`C#`, etc.), `Java`, but they don't implement the KEMI yet, likely that some of them will get support in
@@ -84,4 +84,4 @@ The main benefits of using KEMI framework:
   * better documentation knowledge base for supported scripting languages
   * more complete and flexible scripting languages
   * larger set of libraries that can be used from the scripting languages
-  * external tools to troubleshoot or test the scripts
+  * external tools to troubleshoot or test the scripts