limit node minimum version to v16

package.json

@@ -41,7 +41,7 @@
 		"url": "https://13373333.one"
 	},
 	"engines": {
-		"node": ">=14"
+		"node": ">=16"
 	},
 	"keywords": [
 		"ufw",

src/Util.ts

@@ -18,7 +18,8 @@ export function checkSudo() {
 };
 
 export function checkNodeVersion() {
-  const currentApropriateVersion = 14, nodeVersion = versions.node.split('.');
+  const currentApropriateVersion = 16;
+  const nodeVersion = versions.node.split('.');
 
   return +nodeVersion[0] > currentApropriateVersion ? true : false;
 };