Add initial project files

Bug: 329891679
Change-Id: I806e60ba4d46aa958cdd8b015f3fb626005a3e71
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/zephyr/+/197990
Commit-Queue: Kayce Basques <kayce@google.com>
Pigweed-Auto-Submit: Kayce Basques <kayce@google.com>
Reviewed-by: Yuval Peress <peress@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
23 files changed