feat: support groq ai model

[cr7258]

Ⅰ. Describe what this PR did

Ⅱ. Does this pull request fix one issue?

fixes #955

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

apiVersion: extensions.higress.io/v1alpha1
kind: WasmPlugin
metadata:
  name: ai-proxy-groq
  namespace: higress-system
spec:
  matchRules:
  - config:
      provider:
        type: groq
        apiTokens: 
          - "gsk_xxxxx"
    ingress:
    - groq
  url: oci://cr7258/ai-proxy:groq
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    higress.io/backend-protocol: HTTPS
    higress.io/destination: groq.dns
    higress.io/proxy-ssl-name: api.groq.com
    higress.io/proxy-ssl-server-name: "on"
  labels:
    higress.io/resource-definer: higress
  name: groq
  namespace: higress-system
spec:
  ingressClassName: higress
  rules:
  - http:
      paths:
      - backend:
          resource:
            apiGroup: networking.higress.io
            kind: McpBridge
            name: default
        path: /
        pathType: Prefix
---
apiVersion: networking.higress.io/v1
kind: McpBridge
metadata:
  name: default
  namespace: higress-system
spec:
  registries:
  - domain: api.groq.com
    name: groq
    port: 443
    type: dns

curl "http://localhost:10000/v1/chat/completions"  -H "Content-Type: application/json" -d '{
  "model": "llama3-8b-8192",
  "messages": [
    {
      "role": "user",
      "content": "你好，你是谁？"
    }
  ]
}'

# response
{
  "id": "chatcmpl-26733989-6c52-4056-b7a9-5da791bd7102",
  "object": "chat.completion",
  "created": 1715917967,
  "model": "llama3-8b-8192",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "😊 Ni Hao! (That's \"hello\" in Chinese!)\n\nI am LLaMA, an AI assistant developed by Meta AI that can understand and respond to human input in a conversational manner. I'm not a human, but a computer program designed to simulate conversations and answer questions to the best of my ability. I'm happy to chat with you in Chinese or help with any questions or topics you'd like to discuss! 😊"
      },
      "logprobs": null,
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 16,
    "prompt_time": 0.005,
    "completion_tokens": 89,
    "completion_time": 0.104,
    "total_tokens": 105,
    "total_time": 0.109
  },
  "system_fingerprint": "fp_dadc9d6142",
  "x_groq": {
    "id": "req_01hy2awmcxfpwbq56qh6svm7qz"
  }
}

Ⅴ. Special notes for reviews

[CH3CHO]

上面的 token 是可用的 token 吗？处于安全考虑已删除。

[CH3CHO]

Thanks.

[cr7258]

上面的 token 是可用的 token 吗？处于安全考虑已删除。

@CH3CHO 谢谢，我前面忘记去掉了 😂

[johnlanni]

LGTM

[johnlanni]

@cr7258 可以帮忙更新下插件readme，增加groq支持的说明

[cr7258]

@johnlanni 我直接把 ai-proxy 插件的说明更新到 higress 的官网上怎么样？另外我看其他新增的一些插件官网上也没有说明，如果需要的话，我后面也可以把其他插件的文档整理到官网上。

[johnlanni]

@cr7258 可以的 感谢🙏