Add temporary presubmit script for CI

This adds a script which ensures that the project compiles, and runs
lints and code formatting.

Change-Id: I9b02d5f461d4cefba38052836812e1fa16ab82ed
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/qg/+/119750
Commit-Queue: Alexei Frolov <frolv@google.com>
Reviewed-by: Erik Gilling <konkers@google.com>
3 files changed
tree: 0a8fc666c3ec9fc77f37af08ac8de9aa40dff319
  1. qg/
  2. qg-cli/
  3. tools/
  4. .gitignore
  5. Cargo.lock
  6. Cargo.toml
  7. rustfmt.toml