add chiller control page in GUI

add a chiller control page in GUI, see this slide: https://indico.cern.ch/event/1140608/contributions/4786243/attachments/2410804/4125205/chiller_GUI_20220318.pdf

example config file to make it work:

    "panels": [
    {
        "name"      : "Developement",
        "runner"    : "PowertoolsRunner",
        "datadir"   : "/home/zhicai/results",
        "ip"        : "128.3.2.147",
        "powertools": "/home/zhicai/powertools_kk_amacstar/build",
        "equipconf" : "/home/zhicai/config/equip_testbench_noah_updated.json"
    }
    ],
    "chillers": [
    {
        "name"        : "Developement",
        "streamName"  : "Climate",
        "labRemote"   : "/storage/petalinux/pbv3_mass_tester_2020.3/home/zhicai/labRemote_chiller/build",
        "chillerconf" : "/storage/petalinux/pbv3_mass_tester_2020.3/home/zhicai/config/chiller_config.json"
    }
    ]

It also requires this MR in labRemote: berkeleylab/labRemote!278