@idle owl not sure what's up. the files show up after running submodule add
$ git submodule add https://github.com/adafruit/Adafruit_CircuitPython_Bundle.git libraries/drivers/cap1188
Cloning into 'repos/Adafruit_CircuitPython_Bundle/libraries/drivers/cap1188'...
remote: Enumerating objects: 38, done.
remote: Counting objects: 100% (38/38), done.
remote: Compressing objects: 100% (19/19), done.
remote: Total 1080 (delta 20), reused 36 (delta 19), pack-reused 1042
Receiving objects: 100% (1080/1080), 185.80 KiB | 605.00 KiB/s, done.
Resolving deltas: 100% (634/634), done.
$ ls -a libraries/drivers/cap1188/
. CODE_OF_CONDUCT.md .gitignore libraries README.md requirements.txt update_scripts
.. .git .gitmodules LICENSE README.txt .travis.yml update-submodules.sh