HnahKB Freyr Layout Additions (qmk#22150)

* Add layout/matrix diagram

[docs]

* Add `LAYOUT_tkl_ansi_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_ansi_tsangan_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_ansi_tsangan`

[enhancement]

* Add `LAYOUT_tkl_ansi_wkl_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_ansi_wkl`

[enhancement]

* Add `LAYOUT_tkl_iso_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_iso_tsangan_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_iso_tsangan`

[enhancement]

* Add `LAYOUT_tkl_iso_wkl_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_iso_wkl`

[enhancement]

* Extend Community Layout support

Add as supported layouts:

- `tkl_ansi_split_bs_rshift`
- `tkl_ansi_tsangan`
- `tkl_ansi_tsangan_split_bs_rshift`
- `tkl_iso_split_bs_rshift`
- `tkl_iso_tsangan`
- `tkl_iso_tsangan_split_bs_rshift`

[enhancement]