add TCP comm mode used by Moxa serial ethernet

conanfile.py

doc/doc_html/AttrelectrometerChannel.html

doc/doc_html/Attributes.html

doc/doc_html/Attrrange1.html

doc/doc_html/Attrrange2.html

doc/doc_html/ClassDescription.html

doc/doc_html/CmdClearRegisters.html

doc/doc_html/CmdGetElectrometerTypeStr.html

doc/doc_html/CmdGetGain.html

doc/doc_html/CmdGetHzFilter.html

doc/doc_html/CmdGetMode.html

doc/doc_html/CmdGetPolarity.html

doc/doc_html/CmdGetRange.html

doc/doc_html/CmdLocal.html

doc/doc_html/CmdMCCE2_OFF.html

doc/doc_html/CmdMCCE2_ON.html

doc/doc_html/CmdRangeDOWN.html

doc/doc_html/CmdRangeUP.html

doc/doc_html/CmdRemote.html

doc/doc_html/CmdReset.html