Added .editorconfig

Author: Niels-NTG

.editorconfig

@@ -0,0 +1,14 @@
+# editorconfig file for Generative Design p5 Code Package repository
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.js]
+curly_bracket_next_line = false
+spaces_around_operators = true