Added editorconfig file

.editorconfig

@@ -0,0 +1,20 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = false
+indent_style = space
+indent_size = tab
+indent_brace_style = K&R
+tab_width = 4
+charset = utf-8
+trim_trailing_whitespace = false
+max_line_length = 10000
+quote_type = single
+curly_bracket_next_line = false
+spaces_around_operators = true
+spaces_around_brackets = outside
+
+[*.php]
+insert_final_newline = true
+trim_trailing_whitespace = true