update composer.json for v3.0

Author: miladrahimi

composer.json

@@ -1,8 +1,8 @@
 {
     "name": "miladrahimi/phprouter",
-    "description": "Free PHP URL router for neat and powerful projects!",
-    "keywords": ["Router", "URL Router", "Routing", "URL Routing", "URL", "Route", "Routing"],
-    "homepage": "http://miladrahimi.github.io/phprouter",
+    "description": "URL router for PHP projects",
+    "keywords": ["Router", "URL Router", "Routing", "URL Routing", "URL", "Route"],
+    "homepage": "https://github.com/miladrahimi/phprouter",
     "type": "library",
     "license": "MIT",
     "authors": [
@@ -18,11 +18,12 @@
         "source": "https://github.com/miladrahimi/phprouter/issues"
     },
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=7.0"
     },
     "autoload": {
     	"psr-4": {
-            "MiladRahimi\\": "src/MiladRahimi/"
+            "MiladRahimi\\Router\\": "src/MiladRahimi/Router/",
+            "MiladRahimi\\Router\\Tests\\": "tests/"
         }
     }
 }