Jgwill-odaia

- Enabled the use of data loaders from Llama-index in the `Files I/O` plugin for reading files, which allows for reading not only text files using the plugin's `read_file` command.
- Added a command for indexing files to the `Files I/O` plugin.
- The `self_loop` plugin has been internally renamed to the `agent` plugin.
- Fixed the display of pinned contexts when the indexed filter is enabled.

- Added search provider: `Bing`.
- Added audio output providers: `Google` and `Eleven Labs`.
- Added audio input providers: `Google`, `Google Cloud`, and `Bing`.
- Added a new plugin: `Command: API calls` which allows defining commands for API calls to external services.
- Added an `Excluded file extensions` configuration option in `Settings -> Llama-index`.
- Fixed audio input listener initialization in the Audio Input plugin.

- Refactored the Audio Input, Audio Output, and Google Web Search plugins to support multiple audio and search engine providers.
- Introduced the option to add your own audio input, output, and web search providers.

- Added storage of indexed urls
- Added info about used library versions in About dialog

- Index data storage migrated from JSON to DB.
- Added add/remove to index context menu on ctx list.
- Added last indexed info on ctx list.
- Added option "Replace old document versions in the index during re-indexing" in "Settings -> Llama-index".
- Refactored, optimized and improved file and context indexing.
- Fixed context search SQL query.

- Added the option to search within conversation content, not just by titles (disabled by default, can be enabled in: "Settings -> Context -> Search also in conversation content, not only in titles").
- Added a "download" subdirectory for files downloaded in Assistants mode and an option to configure the directory in: "Settings -> Files and attachments -> Directory for file downloads")
- Added logging of options available in: "Config -> Debug" to the logger window, not just to the console.
- Added descriptions in the models editor.