update dependencies

move to sourcehut

Merge pull request #4 from janbaudisch/dependabot/cargo/cortex-m-rt-0.6.11

build(deps): bump cortex-m-rt from 0.6.10 to 0.6.11

Bumps [cortex-m-rt](https://github.com/rust-embedded/cortex-m-rt) from 0.6.10 to 0.6.11.
- [Release notes](https://github.com/rust-embedded/cortex-m-rt/releases)
- [Changelog](https://github.com/rust-embedded/cortex-m-rt/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-embedded/cortex-m-rt/compare/v0.6.10...v0.6.11)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #3 from janbaudisch/dependabot/cargo/stm32l4xx-hal-0.5.0

build(deps): bump stm32l4xx-hal from 0.4.0 to 0.5.0

Bumps [stm32l4xx-hal](https://github.com/MabezDev/stm32l4xx-hal) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/MabezDev/stm32l4xx-hal/releases)
- [Changelog](https://github.com/stm32-rs/stm32l4xx-hal/blob/master/CHANGELOG.md)
- [Commits](https://github.com/MabezDev/stm32l4xx-hal/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #2 from janbaudisch/dependabot/cargo/cortex-m-semihosting-0.3.5

build(deps): bump cortex-m-semihosting from 0.3.4 to 0.3.5

Bumps [cortex-m-semihosting](https://github.com/rust-embedded/cortex-m-semihosting) from 0.3.4 to 0.3.5.
- [Release notes](https://github.com/rust-embedded/cortex-m-semihosting/releases)
- [Changelog](https://github.com/rust-embedded/cortex-m-semihosting/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-embedded/cortex-m-semihosting/compare/v0.3.4...v0.3.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #1 from janbaudisch/dependabot/cargo/cortex-m-0.6.1

build(deps): bump cortex-m from 0.6.0 to 0.6.1

Bumps [cortex-m](https://github.com/japaric/cortex-m) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/japaric/cortex-m/releases)
- [Changelog](https://github.com/rust-embedded/cortex-m/blob/master/CHANGELOG.md)
- [Commits](https://github.com/japaric/cortex-m/compare/v0.6.0...v0.6.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

readme: add link to board

ci: clean up config

readme: add build badge

config: disable test and bench

readme: add compatibility info

ci: specify language

initial commit