[ADD] : add summnernote editor

[ADD] : global variable and functions

[FIX] : toolbar attechment is not work

[IMP]replace the js code with template

[IMP]move js code to template

[IMP]remove unused code of shorcut help dialog

[ADD] : linkdialog widget

[IMP]remove unused code and image dialog in widget

[IMP][CLEAN] : improve and clean code for link and media dialog

[FIX] : on cut/paste remove all style
->t-field tag should editable , without any styling

[IMP] : code and proper indentation