bcat's 65% ANSI blocker split backspace layout
This is a standard 65% keyboard layout, with a blocker to the left of the arrow
keys, an HHKB-style (split) backspace, and media controls in the function layer
(centered around the ESDF cluster).
Default layer
![Default layer layout](https://i.imgur.com/Vdnw2mp.png)
(KLE)
Function layer
![Function layer layout](https://i.imgur.com/Q304GlI.png)
(KLE)