[BIP Proposal] Add BIP-0093 (Codex32) as application to BIP-0085

The recent communication highlights the successful implementation of modifications within a project that utilizes BIP-85 derivation across various codex32 tooling. The updates have been acknowledged for effectively addressing prior concerns, suggesting a move towards uniformity in application among differing tools. This development is noted as technically robust, adhering to the established protocols set forth by BIP-85. It incorporates thorough test vectors and a reference implementation, showcasing a comprehensive approach to the modifications made. The anticipation of feedback from additional reviewers points towards an ongoing evaluative process aimed at refining and ensuring the efficacy of these changes. This discourse underscores the collaborative effort in the Bitcoin Development community, reflecting a commitment to enhancement and rigorous assessment.