docs(bh-rfc-2): conventional commits rfc

[urangel]

A draft rfc is created in order to provide a guide enabling conventional commits

Closes BED-5475

Description

A draft rfc is created in order to provide a guide enabling conventional commits

Motivation and Context

This PR addresses: BED-5475

See the motivation section of the document in the changeset.

How Has This Been Tested?

N/A

Screenshots (optional):

Types of changes

• Chore (a change that does not modify the application functionality)

Checklist:

• I have met the contributing prerequisites
  • Assigned myself to this PR
  • Added the appropriate labels
  • Associated an issue: Issues and Pull Requests README #672
  • Read the Contributing guide: https://github.com/SpecterOps/BloodHound/wiki/Contributing
• I have ensured that related documentation is up-to-date
  • Open API docs
  • Code comments (GoDocs / JSDocs)
• I have followed proper test practices
  • Added/updated tests to cover my changes
  • All new and existing tests passed