Add TypoScript (TYPO3) icons

[Teddytrombone]

Add support for .typoscript, .tsconfig and ext_typoscript_setup.txt to improve the visibility of TYPO3 specific files. The TYPO3 icon is already part of nerdfonts  (e772)

Here's my current local nvim config for this:

require("nvim-web-devicons").setup({
	local typoscript = {
		icon = "",
		color = "#FF8700",
		name = "TypoScript",
	}

	override_by_filename = {
		["ext_typoscript_setup.txt"] = typoscript,
	},
	override_by_extension = {
		["typoscript"] = typoscript,
		["tsconfig"] = typoscript,
	},
})