x  edit page
x  create page
x  create dir

TOC levels
delete pages
search
move auth as flag in router
. and ../** as roots cause bugs in listing and loading and linking
`create` at root is a 400, base= in URL (when `create` input is empty)

FTS
   https://stackoverflow.com/questions/26709971/could-this-be-more-efficient-in-go

main test -
   -  create,
      x  header
      -  text box
      -  submit
      -  submit target
   -  edit,
      -  header
      -  text box
      -  submit
      -  submit target
   -  dir,
      -  header
      -  create
      -  create target
      -  list
   -  note,
      -  header
      -  edit
      -  edit target
      -  content
   -  root-> dir,
   -  root->file,
   -  dir->dir,
   -  dir->file