[Keymap] Add prog_qgmlwb keymap (#16890)

keyboards/planck/keymaps/prog_qgmlwb/readme.md

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+# PROG-QGMLWB
+
+The prog-qgmlwb layout is a QMK firmware layout for the Planck keyboard.
+
+For letter placement, the layout uses the optimized QGMLWB layout from the [Carpalx project](http://mkweb.bcgsc.ca/carpalx).
+
+> The carpalx project introduces a quantitative model for typing effort and applies it to (a) evaluate QWERTY and popular alternatives, such as Dvorak and Colemak and (b) find the keyboard layouts that minimize typing effort for a given set of input documents.
+
+Carpalx named "QGMLWB" as the fully optimized layout according to the English alphabet, with an effort reduction of approximately 44.4%.
+
+The programming part of the name is inspired by the modified version of Dvorak, [Programmer Dvorak](http://programmer-dvorak.appspot.com), where the symbols have been adjusted logically for developers.
+
+The final layout swaps some Dvorak symbols and combines them with the QGMLWB letters, giving it the name **prog-qgmlwb**.
+
+The layout includes an English and Norwegian layer, whereas the Norwegian one only adds the three letters; æ, ø, and å.
+
+## Typing layers
+
+![Typing layers](https://i.imgur.com/QaHnqW8.png)
+
+## Adjust layer
+
+![Adjust layer](https://i.imgur.com/63I69P0.png)
+
+## Usage
+
+### Clone the QMK Firmware repo
+
+```bash
+git clone --recurse-submodules https://github.com/qmk/qmk_firmware.git <path/name>
+```
+
+### Move into this keymap
+
+```bash
+cd <path/name>/keyboards/planck/keymaps/prog_qgmlwb
+```
+
+### Initialize QMK the first time
+
+Set default keyboard:
+
+```bash
+qmk config user.keyboard=planck/<rev>
+```
+
+Set default keymap:
+
+```bash
+qmk config user.keymap=prog_qgmlwb
+```
+
+Initialize libraries:
+
+```bash
+qmk setup
+```
+
+### Compile and flash the keyboard
+
+```bash
+qmk compile
+qmk flash
+```
+
+## QMK documentation
+
+Found in the QMK docs: <https://docs.qmk.fm>
+
+## Printing layout
+
+This keymap uses macros such that [qmk configurator](https://config.qmk.fm) cannot match its behavior. The images was designed using [Figma](https://figma.com).
+
+## Future additions
+
+Features disabled due to the lack of storage space in the Planck PCB version 5:
+
+- Audio
+- Plover mode
+- Use alt codes to fix missing characters in the english layout
+- Improve documentation of code and readme files
+- Reimplement right version of modifier keys through raise+space