Jgwill-odaia

- Improved integration of Agent mode with llama-index sub-mode
- Updated documentation and locales

- Fixed issue where the agent would stop after the first run in Agent mode when the number of iterations was set to non-infinity.
- Added "Agent" section in the settings, with options to select the sub-mode to use (Chat, Completion, Langchain, Llama-index, etc.) and an option to choose the index to use.
- Implemented a feature to display the current run status in Agent mode.

- Updated models list

- Added the ability for autonomous image generation using the `DALL-E (inline)` plugin in `Agent mode`.
- Added a `Redo` option to the `Painter/Draw` tool.
- Enabled Vision in `Agent mode`.

- Experimental: Added new working mode: `Agent (autonomous)`, which works similarly to the `Autonomous Mode` plugin but as a separate mode with editable system prompt presets.
- Renamed `Autonomous Mode` plugin to `Autonomous Mode (inline)`.
- Fixed real-time system prompt tokens calculation update.
- Fixed preset saving in editor.
- Updated icons' fill color.

- Fix: set a limited height for list items in editable lists within the options.
- Added new plugin: `System Prompt Extra`: plugin appends additional system prompts (extra data) from a list to every current system prompt. You can enhance every system prompt with extra instructions that will be automatically appended to the system prompt.
- Added a list of prompts for define and use in the `Autonomous Mode` plugin (the previous division into "normal" and "extended" prompts has been replaced with an unlimited, user-editable list).
- Added textarea stretch on dialog resize in dictionary options editor
- Introduced a new `duplicate` option in the context list (it copies the selected context to a new one).