[fsharp] add folding region markers and snippets

extensions/fsharp/language-configuration.json

@@ -22,6 +22,10 @@
 		["'", "'"]
 	],
 	"folding": {
-		"offSide": true
+		"offSide": true,
+		"markers": {
+			"start": "^\\s*//#region",
+			"end": "^\\s*//#endregion"
+		}
 	}
 }

extensions/fsharp/package.json

@@ -17,6 +17,10 @@
 			"language": "fsharp",
 			"scopeName": "source.fsharp",
 			"path": "./syntaxes/fsharp.json"
+		}],
+		"snippets": [{
+			"language": "fsharp",
+			"path": "./snippets/fsharp.json"
 		}]
 	}
 }

extensions/fsharp/snippets/fsharp.json

@@ -0,0 +1,16 @@
+{
+	"Region Start": {
+		"prefix": "#region",
+		"body": [
+			"//#region $0"
+		],
+		"description": "Folding Region Start"
+	},
+	"Region End": {
+		"prefix": "#endregion",
+		"body": [
+			"//#endregion"
+		],
+		"description": "Folding Region End"
+	}
+}