docs: Update commit conventions and linting

[toshify]

Because we have tasks that are better described as chores than infrastructure, as well as missing a commit type for reverting,

this commit will:

• add chore and revert as new commit types,
• remove infra as commit type (replaced by chore)

Certification

• [X] I certify that
• I have read the contributing guidelines
• I license these contributions to the public under Seedling's LICENSE and have the rights to do so.