Add EditorConfig file

Author: aisbergg

.editorconfig

@@ -0,0 +1,19 @@
+# EditorConfig helps maintain consistent coding styles for multiple developers
+# working on the same project across various editors and IDEs.
+# Read more: https://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+indent_size = 2
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+indent_size = 2