feat(rust): add rust skills, rules, style guides and profiles

[soulcodex]

Goal

1. Add rust skills to cover certain aspects about developing software using this language, such as:
2. Async / await implementations for concurrency logic handling
3. Code styles, rules, patterns and good practices to produce reliable, safe and scalable rust code
4. Provide skills to cover different important topics related with Rust development, like memory safety, reliability, correct and justified usage of concurrency patterns
5. Write agnostic and decoupled code that do not relies on third parties the business logic or the core of a software written in rust
6. Provide skills to deeply review code written in rust doing proper findings and categorize them properly