beremiz

Extend HMI:JsonTable, create Edit CSV POU, create example, add some doc (#41)

* Extend Jsontable widget, create Edit CSV POU, create example for both

* Add doc for HMI:Image and HMI:JsonTable

* Expand example to include HMI:Image
<?xml version='1.0' encoding='utf-8'?>
<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<variables/>
<globals>
<xhtml:p><![CDATA[
import sys
def pfunc(arg):
sys.stdout.write(arg)
sys.stdout.flush()
pfunc("globals section\n")
]]></xhtml:p>
</globals>
<init>
<xhtml:p><![CDATA[
pfunc("init section\n")
]]></xhtml:p>
</init>
<cleanup>
<xhtml:p><![CDATA[
pfunc("cleanup section\n")
]]></xhtml:p>
</cleanup>
<start>
<xhtml:p><![CDATA[
pfunc("start section\n")
]]></xhtml:p>
</start>
<stop>
<xhtml:p><![CDATA[
pfunc("stop section\n")
]]></xhtml:p>
</stop>
</PyFile>