added askcodi as a provider

[lordshrey]

Summary

• Adds AskCodi as a new OpenAI-compatible provider with 47 models
• Models are sourced from AskCodi's public /provider-models API endpoint
• AskCodi is an AI coding assistant platform that aggregates models from multiple upstream providers

Provider Details

• API: https://api.askcodi.com/v1 (OpenAI-compatible)
• Auth: ASKCODI_API_KEY
• Docs: https://www.askcodi.com/documentation

Models (47 total)

Provider	Models	Examples
Anthropic	5	Claude Haiku 4.5, Sonnet 4.5/4.6, Opus 4.5/4.6
OpenAI	7	GPT-5 Mini/Nano, GPT-5.1 Codex Max, GPT-5.2, GPT-5.3 Codex, GPT-5.4, GPT-5.4 Mini/Nano
Google	6	Gemini 2.5 Flash/Pro, Gemini 3 Flash/Pro
xAI	7	Grok 4, Grok 4.1 Fast, Grok 4.20, Grok Code Fast 1
Z.ai	8	GLM 4.5-Air, GLM 4.6/4.6v, GLM 4.7, GLM 5, GLM 5 Turbo
MiniMax	4	MiniMax M2, M2.1, M2.5, M2.7
Moonshot	4	Kimi K2, Kimi K2.5
DeepSeek	2	DeepSeek V3.2
Arcee	1	Trinity-Large-Preview
NVIDIA	1	Nemotron-3-Super-120B

Includes free-tier variants for select models.

Test plan

• bun validate passes with no errors
• Verify models render correctly on models.dev