[WIP / Experiment] feature(code search): improve code search by supporting filename and linenumbers in both JSON and REGEX parsers

[priyankc]

Description

Add support for parsing and using filenames and line numbers for code navigation.

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PR-Codex overview

This PR introduces new features and enhancements to the TraceBack application, including the integration of an Ollama API endpoint, improved logging capabilities, and additional commands for user interaction.

Detailed summary

• Added traceback.ollamaEndpoint to package.json for Ollama API configuration.
• Introduced OllamaService class for managing interactions with the Ollama API.
• Implemented methods for checking Ollama status and pulling models.
• Created CodeLocationsProvider for managing code location data in logs.
• Enhanced ClaudeService to include Anthropic SDK for improved log analysis.
• Added new commands for setting Ollama endpoint and opening code locations.
• Updated LogExplorerProvider to support new code location features and enhanced log handling.
• Improved error handling and user feedback throughout the application.

The following files were skipped due to too many changes: src/logExplorer.ts, src/extension.ts, src/processor.ts

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