[Keyboard] Add merro60 (#12527)

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

[Keyboard] Add SiddersKB Majbritt Rev2 (#12598)

[Keymap] Reviung41_Ciutadellla (#12668)

[Keyboard] Add Specskeys support (#12813)

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

[Keyboard] Added Bolsa Supply Midway60 Keyboard (#12747)

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

[Keyboard] Added Lucid KB Scarlet [Maker KB] (#12748)

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

[Keyboard] Add Chevron (#12762)

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

[Keyboard] Add Rosa (#12884)

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

[Keyboard] Add Potato65 Hotswap keyboard (#12874)

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

[Keyboard] Add Frusta Fundamental (#12583)

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

[Keyboard] Add Neopad macropad (#12614)

Fix Marauder and add readme (#12906)

[Keyboard] Add Marauder (#12550)

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

[Keyboard] split right shift iso layout for ok60 (#12890)

TKC Portico: layout macro/Configurator touch-up (#12897)

[Keyboard] Add UM-70 (#12556)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: online <33636898+online@users.noreply.github.com>

[Keyboard] Added FJLabs Polaris (#12746)

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

[Keymap] csc027/keymap-updates (#12694)

[Keyboard] Add Studio Kestra Cascade PCB (#12704)

[Keyboard] Add Training Wheel 40 (#12542)