*: Move LICENSE, etc to root

Change-Id: I41707806b64b4e2cad73fd5189ea7740c03a7d03
Reviewed-on: https://bluetooth-review.git.corp.google.com/c/bluetooth/+/1680
Reviewed-by: Ani Ramakrishnan <aniramakri@google.com>

AUTHORS

diff --git a/rust/AUTHORS b/AUTHORS
similarity index 100%
rename from rust/AUTHORS
rename to AUTHORS

CONTRIBUTING.md

diff --git a/rust/CONTRIBUTING.md b/CONTRIBUTING.md
similarity index 100%
rename from rust/CONTRIBUTING.md
rename to CONTRIBUTING.md

LICENSE

diff --git a/rust/LICENSE b/LICENSE
similarity index 100%
rename from rust/LICENSE
rename to LICENSE

PATENTS

diff --git a/rust/PATENTS b/PATENTS
similarity index 100%
rename from rust/PATENTS
rename to PATENTS