Linting workflow: Language/ecosystem support

[woodruffw]

#6 will add an initial reusable linting workflow. Here are some of the languages/ecosystems we'd like to eventually support:

• Go (Initial reusable linting workflow #6)
• Rust (Initial reusable linting workflow #6)
• Python via make lint (Initial reusable linting workflow #6)
• C and C++
  • CMake via cmake-format
• Ethereum (maybe?)
• Haskell (maybe?)
• Generic make lint (Initial reusable linting workflow #6)
• Ruby (maybe?)
• Markdown linting with markdownlint-cli + markdown-link-check (lint: WIP markdown support #12)
  • Possible follow-on for markdown-link-check

[woodruffw]

For Markdown: it looks like https://github.com/DavidAnson/markdownlint-cli2-action might be a reasonable integration choice.

Example workflow: https://github.com/DavidAnson/markdownlint-cli2-action/blob/main/.github/workflows/example.yml