update charybdis keymap.

Add Charybdis keyboard.

Add dragscroll toggle.

add nix flake.

add keyball.

Added keymap with symbol layer.

Add capsword, more hm mods.

Add trackbal 1.

Add voyager pers config.

Add personal keymap for ploopy classic tracball 2.

Fix for `.clangd`.

Add clangd-related entries to `.gitignore` (#31)

This is needed to support VS Code with clangd for userspace keymaps (in
this case `compile_commands.json` and `.cache/clangd` are located in the
`qmk_userspace` working copy).

Removes duplicated word *with* in README.md (#29)

Add `qmk config user.overlay_dir` step to README.md (#23)

use containerWorkspaceFolder var and pass it to setup.sh (#12)

- folder name inside dev container is same as folder name on host
  so if it differs from qmk_userspace then setup.sh cannot be found
  and it sets incorrect user.overlay_dir
- docs https://containers.dev/implementors/json_reference/

Replicate qmk/qmk_firmware#23310

Add support for devcontainers. (#6)

Point workflows at `qmk/.github`s `main` branch (#1)

Updated `.gitignore`.

Initial structure.