Add Support for TK800M

[outer129]

This is an awesome and works like a charm - thanks for putting this together. Would it be possible to add support for the TK800M projector?

python3 -m benqprojector telnet 192.168.69.38 6638 examine
Device on 192.168.69.38:6638 available
Model: tk800m
Supported commands: 3d appmod asp bc bgain blank boffset bri color con ct directpower gamma? ggain goffset highaltitude lampm ltim menuposition modelname mute pow pp qas rgain roffset sharp sour tint vkeystone vol
Supported video sources: hdmi hdmi2 rgb
Supported picture modes: bright cine? football? user1? user2? isfday? isfnight?
Supported color temperatures: warm normal cool native
Supported aspect ratios: 4:3 16:9 auto real
Supported projector positions: ft re rc fc
Supported lamp modes: lnor eco seco
Supported 3d modes: off auto tb fs fp sbs da? iv?
Supported menu positions: center tl tr br bl
Projector configuration JSON:
{
	"commands": [
		"3d",
		"appmod",
		"asp",
		"bc",
		"bgain",
		"blank",
		"boffset",
		"bri",
		"color",
		"con",
		"ct",
		"directpower",
		"gamma",
		"ggain",
		"goffset",
		"highaltitude",
		"lampm",
		"ltim",
		"menuposition",
		"modelname",
		"mute",
		"pow",
		"pp",
		"qas",
		"rgain",
		"roffset",
		"sharp",
		"sour",
		"tint",
		"vkeystone",
		"vol"
	],
	"video_sources": [
		"hdmi",
		"hdmi2",
		"rgb"
	],
	"audio_sources": [],
	"picture_modes": [
		"bright",
		"cine",
		"football",
		"user1",
		"user2",
		"isfday",
		"isfnight"
	],
	"color_temperatures": [
		"warm",
		"normal",
		"cool",
		"native"
	],
	"aspect_ratios": [
		"4:3",
		"16:9",
		"auto",
		"real"
	],
	"projector_positions": [
		"ft",
		"re",
		"rc",
		"fc"
	],
	"lamp_modes": [
		"lnor",
		"eco",
		"seco"
	],
	"3d_modes": [
		"off",
		"auto",
		"tb",
		"fs",
		"fp",
		"sbs",
		"da",
		"iv"
	],
	"menu_positions": [
		"center",
		"tl",
		"tr",
		"br",
		"bl"
	]
}