Add in developper-manual, an include to frontJs-vuejs documentation (in

plugins)

Author: holivier

docs/asciidoc/developer-manual.adoc

@@ -251,6 +251,8 @@ https://cwiki.apache.org/confluence/display/OFBIZ/Service+Engine+Guide[OFBiz wik
 
 include::../../themes/docs/themes.adoc[leveloffset=+2]
 
+include::../../plugins/vuejs/src/docs/asciidoc/frontJs-vuejs.adoc[leveloffset=+2]
+
 == Core APIs
 
 == Development environment