Add editorconfig

Author: Julian Bennecker

.editorconfig

@@ -0,0 +1,23 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at https://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.bat]
+end_of_line = crlf
+
+[*.yml]
+indent_style = space
+indent_size = 2
+
+[*.md]
+indent_style = space
+
+[*.twig]
+insert_final_newline = false