chore(pretties): use prettier with npx

Author: marcocesarato

Example/package.json

@@ -6,7 +6,7 @@
 		"ios": "expo start --ios",
 		"web": "expo start --web",
 		"eject": "expo eject",
-		"prettify": "prettier --write './src/**/*.{ts,json,md,yml,js}' && prettier --write './*.{ts,json,md,yml,js}'"
+		"prettify": "npx prettier --write './src/**/*.{ts,json,md,yml,js}' && npx prettier --write './*.{ts,json,md,yml,js}'"
 	},
 	"dependencies": {
 		"expo": "^40.0.1",

package.json

@@ -5,7 +5,7 @@
 	"main": "./src/index.js",
 	"types": "./src/index.d.ts",
 	"scripts": {
-		"prettify": "prettier --write './src/**/*.{ts,json,md,yml,js}' && prettier --write './*.{ts,json,md,yml,js}'",
+		"prettify": "npx prettier --write './src/**/*.{ts,json,md,yml,js}' && npx prettier --write './*.{ts,json,md,yml,js}'",
 		"test": "echo \"Error: no test specified\" && exit 1"
 	},
 	"repository": {