Added composer dev script

README.md

@@ -58,4 +58,4 @@ Once you've completed these steps, you're all set to start using Uptime Status.
 
 ## Development
 
-If you're interested in developing Uptime Status or testing it on your local device, make sure you have PHP installed, and run the `./dev.sh` script to set up a local PHP server.
+If you're interested in developing Uptime Status or testing it on your local device, make sure you have PHP installed, and run `composer run dev` to set up a local PHP server.

composer.json

@@ -1,5 +1,10 @@
 {
     "require": {
         "twig/twig": "^3.0"
-    }
+    },
+	"scripts": {
+		"dev" : [
+			"php -S localhost:8000 -t public"
+		]
+	}
 }

dev.sh

@@ -1 +0,0 @@
-cd public && php -S 127.0.0.1:3000