chore(nx/ckeditor): initialize emptyproject for keyboard-marker

packages/ckeditor5-keyboard-marker/.editorconfig

@@ -0,0 +1,19 @@
+# Configurations to normalize the IDE behavior.
+# http://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = tab
+tab_width = 4
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{js,jsx,ts}]
+quote_type = single
+
+[package.json]
+indent_style = space
+tab_width = 2