Cutie Club x Keebcats Denis: codebase touch-up and info.json update (#16124)

* denis.h: use QMK 3-character notation

* info.json: apply friendly formatting

* info.json: add missing layout trees

* info.json: fix key sequence on ISO layouts

Studio Kestra Bourgeau: rename LAYOUT_all to LAYOUT_75_ansi_rwkl (#16119)

* rename LAYOUT_all to LAYOUT_75_ansi_rwkl

The only supported layout is 75% ANSI, with two modifier keys on the right of the Spacebar instead of three.

* info.json: use maintainer's GitHub username

CK65: LAYOUT_65_iso compatibility (#16118)

* info.json: apply friendly formatting

* ck65.h: use QMK 3-character notation

* move Enter keycode/argument to home row

This commit makes the `LAYOUT` macro conformant to `LAYOUT_65_iso` in QMK.

* rename LAYOUT to LAYOUT_65_iso

* use QMK-native KC_TRNS alias in keymaps

Replaces instances of `KC_TRNS` with `_______` in keymaps.

* info.json: update maintainer field

Fix Cypher rev6 VIA keymap (#16117)

[Keyboard] Add the demiurge keyboard (#16074)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

[Keyboard] add synthesis60 (#15864)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

Move kbdpad_mk2 to kbdpad/mk2, add numpad layout to mk2.h (#15892)

[Keymap] Add media keys to default UT47.2 keymap (#15893)

[Docs] zh-cn documentation translate: hand-wire (#15666)

Co-authored-by: peepeetee <43021794+peepeetee@users.noreply.github.com>
Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>

Planck/Preonic - Enable default encoder behaviour on configurator (#16104)

[Docs] zh-cn document translate: IDE configuration (#15575)

Co-authored-by: peepeetee <43021794+peepeetee@users.noreply.github.com>
Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>

[Keyboard] add cypher rev6 (#14647)

Co-authored-by: Drashna Jaelre <drashna@live.com>

[Keyboard] Added sandwich/keeb68 to keyboards (#15007)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>

[Keyboard] Add misterdeck 3d-printed handwired stream deck (#15556)

Co-authored-by: Ryan <fauxpark@gmail.com>

[Keymap] Further improvements to ifohancroft ErgoDox keymap (#15672)

[Keyboard] Fix Nasu Indicators (#15878)

Co-authored-by: yiancar <yiancar@gmail.com>

[Keyboard] Add keyprez unicorn (#15998)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Joel Challis <git@zvecr.com>

[Docs] Update Encoder docs about multiple encoders (#16036)

Remove missing and trailing commas in info.json files. (#16088)

[Keyboard] Adds Elongate Revision Delta PCB support (#15498)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>
Co-authored-by: Ryan <fauxpark@gmail.com>