kamailio-kemi-framework: updates to kemix exports

kamailio-kemi-framework/docs/modules.md

@@ -3073,6 +3073,14 @@ xval KSR.kx.get_ruser();
 
 Return the Request URI user part ($rU).
 
+#### KSR.kx.get_sas() ####
+
+```cpp
+xval KSR.kx.get_sas();
+```
+
+  * <a target='_blank' href='https://kamailio.org/docs/modules/devel/modules/kemi.html#kemi.f.get_sas'>📖 kamailio.cfg::function::get_sas()</a>
+
 #### KSR.kx.get_send_sock() ####
 
 ```cpp