Add APIRouter (trial credits provider, $0.50 free, Chinese AI models)

[JoKer1257]

Hi! APIRouter fits the "Providers with trial credits" category.

Details:

• URL: https://apirouter.chat/en/
• Credits: $0.50 free on email signup
• No phone verification required
• OpenAI-compatible API (base_url: https://apirouter.chat/v1)

Models:

• deepseek-ai/DeepSeek-V4-Flash
• deepseek-ai/DeepSeek-R1
• Qwen/Qwen3.6-35B-A3B
• moonshotai/Kimi-K2.6
• zai-org/GLM-5.1
• MiniMaxAI/MiniMax-M2.5

Pricing: https://apirouter.chat/en/pricing

Happy to submit a PR to the source data if you point me to the right file format.