Added Editorconfig

Author: ElectronicsArchiver

.editorconfig

@@ -0,0 +1,14 @@
+
+root = true
+
+
+[*]
+end_of_line = lf
+charset = utf-8
+
+[*.{md,js,ts}]
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 80
+indent_style = space
+indent_size = 4