* fix(docs): Fix TypeScript import diagnostics
Set the TypeScript module resolution mode to "bundler" so it correctly
resolves imports in .ts files instead of showing errors in IDEs.
* chore(docs): Update web-tree-sitter
Updated web-tree-sitter, and switched from having a copy of
tree-sitter-devicetree.wasm in the repo to using the latest version of
the tree-sitter-devicetree module, which now contains the .wasm file.
* fix(docs): Make keymap upgrader resize vertically only
Changed the textarea in the keymap ugprader to allow only vertical
resizing. This better fits the layout of the page, and it prevents you
from shrinking the box horizontally to the point where it doesn't fit
anything.
Updated the keymap upgrader to highlight which lines it changed as well
as indicate when nothing needed to be upgraded.
Also adjusted the line highlight colors to be more readable in both
light and dark color schemes.
Moved the keymap upgrader to a top-level page like the power profiler
to make it more discoverable. It upgrades more things than key codes
now, so putting it in the codes category doesn't make much sense.
Converted the upgrader code to TypeScript and split it up into smaller
files to make it easier to add new upgrade functions.
Added upgrade functions to remove/replace "label" properties and rename
matrix-transform.h to matrix_transform.h.
