Create editor configuration

examples/oml/SystemDesignOntology2Layers/.editorconfig

@@ -0,0 +1,23 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{py,rst,ini,oml,gradle}]
+indent_style = space
+indent_size = 4
+
+[*.{html,css,scss,json,yml,svg,xml,ttl}]
+indent_style = space
+indent_size = 2
+max_line_length = 140
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.project]
+indent_style = space
+indent_size = 2