feat: add Hugging Face Inference provider (#61)

* feat: add Hugging Face Inference provider

- Add Hugging Face provider configuration with OpenAI-compatible API
- Include moonshotai/Kimi-K2-Instruct model with Groq routing
- Include deepseek-ai/DeepSeek-V3-0324 model
- Include deepseek-ai/DeepSeek-R1-0528 model
- All model configurations match their implementations in other providers

* names = huggingface ids

* Update model names in HuggingFace TOML files

Author: gary149

providers/huggingface/models/deepseek-r1-0528.toml

@@ -0,0 +1,22 @@
+id = "deepseek-ai/DeepSeek-R1-0528"
+name = "DeepSeek-R1-0528"
+release_date = "2025-05-28"
+last_updated = "2025-05-28"
+attachment = false
+reasoning = true
+temperature = true
+knowledge = "2025-05"
+tool_call = true
+open_weights = true
+
+[cost]
+input = 3
+output = 5
+
+[limit]
+context = 163_840
+output = 163_840
+
+[modalities]
+input = ["text"]
+output = ["text"]

providers/huggingface/models/deepseek-v3-0324.toml

@@ -0,0 +1,22 @@
+id = "deepseek-ai/DeepSeek-V3-0324"
+name = "DeepSeek-V3-0324"
+release_date = "2025-03-24"
+last_updated = "2025-03-24"
+attachment = false
+reasoning = false
+temperature = true
+knowledge = "2024-10"
+tool_call = true
+open_weights = true
+
+[cost]
+input = 1.25
+output = 1.25
+
+[limit]
+context = 16384
+output = 8192
+
+[modalities]
+input = ["text"]
+output = ["text"]

providers/huggingface/models/kimi-k2-instruct.toml

@@ -0,0 +1,22 @@
+id = "moonshotai/Kimi-K2-Instruct:groq"
+name = "Kimi-K2-Instruct"
+release_date = "2025-07-14"
+last_updated = "2025-07-14"
+attachment = false
+reasoning = false
+temperature = true
+tool_call = true
+knowledge = "2024-10"
+open_weights = true
+
+[cost]
+input = 1
+output = 3
+
+[limit]
+context = 131_072
+output = 16_384
+
+[modalities]
+input = ["text"]
+output = ["text"]

providers/huggingface/provider.toml

@@ -0,0 +1,5 @@
+name = "Hugging Face"
+env = ["HF_TOKEN"]
+npm = "@ai-sdk/openai-compatible"
+api = "https://router.huggingface.co/v1"
+doc = "https://huggingface.co/docs/inference-providers"