Move code into src/ subfolder (#43)

* Moving sources into src to keep the git history

Change-Id: I1e16c50c69affb81521f368256edd2bfa6c14270

* Fix sources move build issues

Update GCC & Rust toolchains (#42)

Use latest GCC and Rust S-CORE toolchains within FEO

Bump tracing-subscriber from 0.3.19 to 0.3.20 (#3)

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.3.19 to 0.3.20.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-subscriber-0.3.19...tracing-subscriber-0.3.20)

---
updated-dependencies:
- dependency-name: tracing-subscriber
  dependency-version: 0.3.20
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Markus Schu <markus.schu@accenture.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Markus Schu <markus.schu@accenture.com>

Fixed wrong module references in build files

Change-Id: Ief10353bbb5a555531e70a5d8b5533a2fdd8a8ef

Fix invalid module name.

Change-Id: Idf6e452463dc66aded6df8be380a93d1e8dad5d0

Update version to 1.0.0

Change-Id: I7239afe67720aefd7b8a676227aeb6e995a07d25