Update docs for Minimax-Text support

[tdoublep]

Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.

Purpose

Update docs to reflect status since #22151 was merged.

Test Plan

Test Result

(Optional) Documentation Update

[github-actions]

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[gemini-code-assist]

Code Review

This pull request updates documentation to reflect Minimax-Text model support. The changes correctly mark MiniMaxText01ForCausalLM as supported in V1. However, there's an inconsistency regarding MiniMaxM1ForCausalLM. While docs/usage/v1_guide.md states it's supported, docs/models/supported_models.md is not updated to reflect this. Since both models use the same implementation, MiniMaxM1ForCausalLM should also be marked as V1 supported in the table for consistency.

[tdoublep]

@DarkLight1337 wait - something went really wrong here, there are some strange commits that appeared from nowhere? Let me fix it before merging please.

[tdoublep]

@DarkLight1337 ok. it's fixed and good to go now