XXX stack/erp5: add onlyoffice-core component

stack/erp5/buildout.cfg

@@ -25,6 +25,7 @@ extends =
   ../../component/matplotlib/buildout.cfg
   ../../component/mesa/buildout.cfg
   ../../component/numpy/buildout.cfg
+  ../../component/onlyoffice-core/buildout.cfg
   ../../component/pandas/buildout.cfg
   ../../component/percona-toolkit/buildout.cfg
   ../../component/patch/buildout.cfg
@@ -134,6 +135,9 @@ parts +=
   ipython-notebook
   instance-jupyter
 
+# XXX TRISTAN
+  onlyoffice-core
+
 # override instance-jupyter not to render into default template.cfg
 [instance-jupyter]
 rendered = ${buildout:directory}/template-jupyter.cfg