docs: add mistralai/mistral-large-2512 (#330)

Author: Lookoff-AIMLAPI

docs/SUMMARY.md

@@ -184,6 +184,7 @@
     * [Ministral 3 8B 2512](api-references/text-models-llm/Mistral-AI/ministral-8b-2512.md)
     * [Large](api-references/text-models-llm/Mistral-AI/mistral-large.md)
     * [Large 2407](api-references/text-models-llm/Mistral-AI/mistral-large-2407.md)
+    * [Large 3 2512](api-references/text-models-llm/Mistral-AI/mistral-large-2512.md)
   * [Moonshot](api-references/text-models-llm/moonshot/README.md)
     * [kimi-k2-preview](api-references/text-models-llm/moonshot/kimi-k2-preview.md)
     * [Kimi k2.5](api-references/text-models-llm/moonshot/kimi-k2-5.md)