Add editorconfig and composer.json post install project command

Author: JavierCane

.editorconfig

@@ -0,0 +1,15 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

composer.json

@@ -51,6 +51,9 @@
     },
     "prefer-stable": true,
     "scripts": {
+        "post-create-project-cmd": [
+            "composer update"
+        ],
         "lint": [
             "parallel-lint . --exclude vendor"
         ],