update .editorconfig

.editorconfig

@@ -1,9 +1,27 @@
-root = true
-
-[*]
-indent_style = tab
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_size = 4
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_size = 4
+
+[*.{js,css}]
+charset = utf-8
+
+
+# PHP PSR-2 Coding Standards
+# http://www.php-fig.org/psr/psr-2/
+[*.php]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2