Add alias for master branch for better versioning.

Author: sibprogrammer

composer.json

@@ -16,5 +16,10 @@
         "psr-4": {
             "PleskX\\": "src/PleskX/"
         }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "0.1.x-dev"
+        }
     }
 }