Fix composer

composer.json

@@ -1,27 +1,44 @@
 {
     "name": "jmcollin/autoindex",
+    "description": "Automatically add an index.php in all directories recursively",
     "type": "library",
     "license": "MIT",
+    "version": "1.0.0",
+    "keywords": [
+        "directory-traversal-vulnerability",
+        "security",
+        "vulnerability",
+        "cli-utility",
+        "php-library"
+    ],
+    "authors": [{
+        "name": "Jean-Marie Collin",
+        "email": "[email protected]",
+        "role": "Developer"
+    }],
     "bin": [
         "bin/autoindex"
     ],
     "require": {
-        "php": "^7.1"
+        "php": ">=7.1"
     },
     "autoload": {
         "psr-0": { "AutoIndex": "src/" },
         "exclude-from-classmap": [
             "/tests/"
         ]
     },
+    "require-dev": {
+        "phpstan/phpstan": "^0.11.16",
+        "symplify/easy-coding-standard": "^6.0"
+    },
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0-dev"
+            "dev-composer": "1.0-dev"
         }
     },
-    "require-dev": {
-        "phpstan/phpstan": "^0.11.16",
-        "symplify/easy-coding-standard": "^6.0"
+    "config": {
+        "preferred-install": "dist"
     }
 }