* noah_avr.h: use QMK 3-character notation for matrix positions
* Community Layout support, Stage 1
- rename LAYOUT_ansi to LAYOUT_65_ansi_blocker
- rename LAYOUT_ansi_splitbs to LAYOUT_65_ansi_blocker_split_bs
- enable Community Layout support
* info.json: add line breaks between rows
* info.json: correct LAYOUT_iso data
- unsplit the Backspace
- change ANSI Enter to ISO Enter
- split the left Shift
* Community Layout support, Stage 2
- rename LAYOUT_iso to LAYOUT_65_iso_blocker
- update Community Layout support
* Community Layout support, Stage 3
- add LAYOUT_65_iso_blocker_split_bs
- update Community Layout support
* noah_avr.h: add matrix diagram
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