Bump version to 0.6.73

Merge pull request #40 from GoodAI/release5

Update chain_of_thought_addon.py

fix(get_image_descriptions): handle URL-encoded image paths

refactor(chain_of_thought_addon): improve task handling and consistency

feat: add recent messages context to chain_of_thought_addon and update settings

feat(addons, js, styles): CoT implementation, Recall Addon implementation

Bump version to 0.6.68

Merge pull request #36 from GoodAI/release4-hotfix

feat(get_image_descriptions, frontend): add support for Anthropic models and conditional audio features

feat(addons, configuration, utils): enhance website visit functionality and update API key management

Update test_routes_config.py

refactor(configuration): Clean up logging, improve error responses, and fix tests

feat(configuration): add Anthropic API key handling and improve configuration management

feat(addons, llmcalls, routes, utils): add username support and cost tracking for image and audio processing