Add Anthropic as a New Provider

[OmGuptaIND]

Overview

Add support for Anthropic as a new provider in the ai01 package alongside existing providers.

Implementation Details

API Integration

• Integrate with Anthropic API
• Support various Claude models (e.g., claude-2, claude-instant)
• Handle authentication using API keys
• Implement streaming and non-streaming responses

Required Features

• Text generation
• Chat completion
• Function calling (if supported)

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Implementation Steps

1. Add Anthropic provider class extending the base provider.
2. Implement authentication handling.
3. Add text generation methods.
4. Add chat completion methods.
5. Add function calling methods (if supported).
6. Add tests for all new functionality.
7. Update documentation.

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Example Usage (Proposed)

from ai01.providers.anthropic import AnthropicProvider

provider = AnthropicProvider(api_key="your-api-key")

# Text generation
response = provider.generate("Explain quantum mechanics in simple terms.")

# Chat completion
chat_response = provider.chat([
    {"role": "user", "content": "What are the applications of AI?"}
])

# Function calling (if supported)
function_response = provider.call_function(
    function_name="get_summary",
    arguments={"text": "Long text to summarize"}
)