DeepSeek Support Added

[erfannf]

Improved Build Process, Installer Compatibility, and DeepSeek Support

Changes

DeepSeek API Integration

• Added full support for DeepSeek's powerful LLMs through their API
• Configured both general-purpose deepseek-chat and code-specific deepseek-coder models
• Added DeepSeek-specific authentication handling
• Updated error messages to be model-agnostic for better extensibility
• Fixed API key format issues that were causing authentication errors

Build Process

• Streamlined the build script to generate only installer-compatible files
• Standardized file naming convention to shell-ai_os_arch.ext
• Eliminated duplicate versioned files to reduce build complexity
• Updated archive creation process for non-Windows platforms

Installation Process

• Fixed Windows installer to properly handle tar.gz archives
• Fixed architecture mapping in installation scripts
• Aligned naming conventions between build and installation scripts
• Ensured consistent file handling across platforms

Documentation

• Added comprehensive DeepSeek setup instructions in README and RELEASE_NOTES
• Updated RELEASE_NOTES.md to reflect the new file naming convention
• Added SSH session requirements to README.md
• Added comprehensive clipboard setup instructions for various terminal environments
• Added detailed API key configuration instructions for different shells
• Fixed inconsistent API key format examples

Testing

The changes have been tested on:

• Windows 10/11 with PowerShell
• Linux (Ubuntu) via SSH session
• macOS with both Intel and Apple Silicon
• DeepSeek API integration verified with both models

Related Issues

Fixes #XX - "Installation fails on SSH sessions due to clipboard dependencies"
Fixes #XX - "API key format with brackets causes authentication errors"
Fixes #XX - "Windows installer fails with incorrect file names"
Addresses #XX - "Add support for alternative LLM providers"

Screenshots

N/A