Kopibeng XT87 Layout Additions & Touch-Up (qmk#22002)

* Add `LAYOUT_tkl_ansi_wkl_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_ansi_wkl`

[enhancement]

* Add `LAYOUT_tkl_iso_wkl_split_bs_rshift`

[enhancement]

* Add `LAYOUT_tkl_iso_wkl`

[enhancement]

* Correct layout data

Correct key positioning on the function row.

[enhancement]

* Friendly-format `info.json`

[style]

* Move ISO Enter to Home Row

Corrects the implementation of the ISO Community Layouts.

[bugfix]