message: mention potential SRAM layout issues in README
  someone(TM) really should do somting about issue 28.
diff: @@ -12,6 +12,11 @@ usually means that they must be compiled especially for your board
  and that there can only be one application written in rust at a time
  and it must be installed as the first application on the board, unless
  you want to play games with linker scripts.
  +There are some `*_layout.ld` files provided that allow to run the
  +examples on common boards.
  +Due to MPU region alignment issues they may not work for applications
  +that use a lot of RAM, in that case you may have to change the SRAM
  +start address to fit your application.
  ## Getting Started
  