Mark

Fixed
- Fixed issue where the OPENAI_BASE_URL was no longer being set correctly in the 0.10.0 update.
- Streaming is disabled for all completion requests to prevent issues

Added
- `mark models` subcommand will list all available LLM models available

Fixed
- OpenAI reasoning models now work with Mark

Added
- LLM is now a dependency to expand model availability to Mark and delegate low-level model interaction.
- Added model specification test

Removed
- Import direct import of `openai` (referencing LLMs dependencies directly)

Removed
- Import of `image_to_data_url` has been removed from LangChain.

Fixed
- Slightly improved errors raise when scraping pages on low memory hardware

Changed
- Bump langchain from 0.2.14 to 0.2.15
- Bump httpx from 0.27.0 to 0.27.2
- Bump openai from 1.42.0 to 1.43.0
- Bump ipython from 8.26.0 to 8.27.0
- Bump langchain-community from 0.2.4 to 0.2.12
- Bump openai from 1.41.1 to 1.42.0
- Bump openai from 1.14.2 to 1.41.1
- Bump langchain from 0.2.1 to 0.2.14
- Bump markdownify from 0.12.1 to 0.13.1
- Bump pyyaml from 6.0.1 to 6.0.2
- Bump langchain-community from 0.2.1 to 0.2.4
- Bump ipython from 8.21.0 to 8.26.0
- Bump flake8 from 7.1.0 to 7.1.1
- Bump pytest from 6.2.5 to 8.3.