* add matrix_diagram.md * info.json: apply friendly formatting * info.json: correct layout data * rename LAYOUT_all to LAYOUT_65_xt_ansi_split_space_split_bs * add LAYOUT_65_xt_ansi_split_space * add LAYOUT_65_xt_ansi_split_bs * add LAYOUT_65_xt_ansi * update readme.md - convert metadata section to list - update Availability link (mark as "no longer available" as the vendor no longer ships) - add Flashing and Bootloader instructions  | 
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| meira | ||
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