Add llm-bedrock-converse to plugin directory

[geehexx]

Adds llm-bedrock-converse to the Remote APIs section.

Plugin provides AWS Bedrock Converse API integration with tool calling support for all Claude models and Titan embeddings.

• PyPI: https://pypi.org/project/llm-bedrock-converse/
• GitHub: https://github.com/geehexx/llm-bedrock-converse

Relates to #1303