feat(marko): add Marko language grammar (#3)

grammars/grammars.json

@@ -419,6 +419,26 @@
 			"aliases": ["Python", "py"],
 			"filenames": ["SConstruct", "SConscript"],
 			"firstLine": "^#!\\s*/?.*\\bpython[0-9.-]*\\b"
+		},
+		{
+			"language": "marko",
+			"scopeName": "text.marko",
+			"aliases": ["Marko", "marko"],
+			"extensions": [".marko"],
+			"grammar": {
+				"base": "marko",
+				"file": "marko.tmLanguage.json"
+			},
+			"configuration": {
+				"base": "marko",
+				"file": "language-configuration.json"
+			},
+			"embeddedLanguages": {
+				"source.css": "css",
+				"source.less": "less",
+				"source.scss": "scss",
+				"source.ts": "typescript"
+			}
 		}
 	],
 	"grammars": [

grammars/marko/language-configuration.json

@@ -0,0 +1,44 @@
+{
+	"comments": {
+		"blockComment": ["<!--", "-->"]
+	},
+	"brackets": [
+		["<!--", "-->"],
+		["${", "}"],
+		["<", ">"],
+		["{", "}"],
+		["(", ")"],
+		["[", "]"],
+		["|", "|"]
+	],
+	"autoClosingPairs": [
+		{ "open": "{", "close": "}" },
+		{ "open": "[", "close": "]" },
+		{ "open": "(", "close": ")" },
+		{ "open": "|", "close": "|" },
+		{ "open": "'", "close": "'", "notIn": ["string", "comment"] },
+		{ "open": "\"", "close": "\"", "notIn": ["string", "comment"] },
+		{ "open": "`", "close": "`", "notIn": ["string", "comment"] },
+		{ "open": "<!--", "close": "-->", "notIn": ["string", "comment"] },
+		{ "open": "/**", "close": " */", "notIn": ["string", "comment"] }
+	],
+	"autoCloseBefore": ";:.,=}])><`'\" \n\t",
+	"surroundingPairs": [
+		{ "open": "'", "close": "'" },
+		{ "open": "\"", "close": "\"" },
+		{ "open": "`", "close": "`" },
+		{ "open": "{", "close": "}" },
+		{ "open": "[", "close": "]" },
+		{ "open": "(", "close": ")" },
+		{ "open": "|", "close": "|" },
+		{ "open": "<", "close": ">" }
+	],
+	"colorizedBracketPairs": [],
+	"folding": {
+		"markers": {
+			"start": "^\\s*<!--\\s*#region\\b.*-->",
+			"end": "^\\s*<!--\\s*#endregion\\b.*-->"
+		}
+	},
+	"wordPattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\~\\!\\@\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>\\/\\?\\s]+)"
+}