add z.ai glm5.2 as a cloud provider

[esokullu]

https://docs.z.ai/guides/llm/glm-5.2#quick-start

curl -X POST "https://api.z.ai/api/paas/v4/chat/completions" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer your-api-key" \
-d '{
  "model": "glm-5.2",
  "messages": [
    {
      "role": "system",
      "content": "You are a senior full-stack software engineer, proficient in frontend development, backend architecture design, and modern web technology stacks."
    },
    {
      "role": "user",
      "content": "Design and build a personal blog website for me, including a homepage, article list page, and article detail page, using React + Node.js technology stack."
    }
  ],
  "thinking": {
    "type": "enabled"
  },
  "reasoning_effort": "max",
  "max_tokens": 4096,
  "temperature": 1.0
}'

curl -X POST "https://api.z.ai/api/paas/v4/chat/completions" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer your-api-key" \
-d '{
  "model": "glm-5.2",
  "messages": [
    {
      "role": "system",
      "content": "You are a senior full-stack software engineer, proficient in frontend development, backend architecture design, and modern web technology stacks."
    },
    {
      "role": "user",
      "content": "Design and build a personal blog website for me, including a homepage, article list page, and article detail page, using React + Node.js technology stack."
    }
  ],
  "thinking": {
    "type": "enabled"
  },
  "reasoning_effort": "max",
  "stream": true,
  "max_tokens": 4096,
  "temperature": 1.0
}'