update console print snippet

* choose between info, log, error
* snippet choices support

Author: carloluis

README.md

@@ -14,7 +14,7 @@ Type the snippet prefix and press enter.
 
 * General
 ```javascript
-u-ci                // console.info
+u-ci                // console.info|log|error
 u-cn                // JSX element class name
 u-ctor              // Class constructor
 u-impt              // Import module statement

snippets/snippets.json

@@ -2,7 +2,8 @@
 	"Print to console": {
 		"prefix": "u-ci",
 		"body": [
-			"console.info('$1');"
+			"console.${1|info,log,error|}('$2');",
+			"$0"
 		],
 		"description": "Log output to console"
 	},