refactor: extracted RichEditorOptions

lib/src/models/enum/command_name.dart

@@ -0,0 +1,41 @@
+enum CommandName {
+  UNDO,
+  REDO,
+  FORECOLOR,
+  BACKCOLOR,
+  FONTNAME,
+  FONTSIZE,
+  BOLD,
+  ITALIC,
+  UNDERLINE,
+  SUBSCRIPT,
+  SUPERSCRIPT,
+  STRIKETHROUGH,
+  FORMATBLOCK, // passes value for below format
+  H1,
+  H2,
+  H3,
+  H4,
+  H5,
+  H6,
+  P,
+  PRE,
+  BR, // not settable (at least i don't know how)
+  BLOCKQUOTE,
+  REMOVEFORMAT,
+  JUSTIFYCENTER,
+  JUSTIFYFULL,
+  JUSTIFYLEFT,
+  JUSTIFYRIGHT,
+  INDENT,
+  OUTDENT,
+  INSERTUNORDEREDLIST,
+  INSERTORDEREDLIST,
+  INSERTHORIZONTALRULE,
+  INSERTHTML, // determines if the three command below are executable
+  INSERTLINK, // pseudo commands, there are no corresponding values for execCommand()
+  INSERTIMAGE,
+  INSERTCHECKBOX,
+// pseudo commands for toggling grouped command views
+  EXPANDING_SEARCH_VIEWING,
+}