Use 4 space indent in composer.json

Author: piotr-cz

composer.json

@@ -1,25 +1,25 @@
 {
-  "name": "slim/php-view",
-  "type" : "library",
-  "description": "Render PHP view scripts into a PSR-7 Response object.",
-  "keywords": ["slim","framework","view","template","php","phtml","renderer"],
-  "license": "MIT",
-  "authors": [
-    {
-      "name": "Glenn Eggleton",
-      "email": "geggleto@gmail.com"
-    }
-  ],
-  "require": {
-    "psr/http-message": "^1.0"
-  },
+    "name": "slim/php-view",
+    "type" : "library",
+    "description": "Render PHP view scripts into a PSR-7 Response object.",
+    "keywords": ["slim","framework","view","template","php","phtml","renderer"],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Glenn Eggleton",
+            "email": "geggleto@gmail.com"
+        }
+    ],
+    "require": {
+        "psr/http-message": "^1.0"
+    },
     "autoload": {
         "psr-4": {
             "Slim\\Views\\": "src"
         }
     },
-  "require-dev": {
-    "phpunit/phpunit": "^4.8",
-    "slim/slim" : "^3.0"
-  }
+    "require-dev": {
+        "phpunit/phpunit": "^4.8",
+        "slim/slim" : "^3.0"
+    }
 }