feat(conversationPreset.js): add context and systemMessage fields to conversation preset schema
feat(askBingAI.js): pass context and systemMessage parameters to ask function
feat(Settings.jsx): add toneStyle prop to BingAISettings component
feat(BingAIOptions/index.jsx): add useEffect to check if advanced mode is needed
feat(cleanupPreset.js): add context and systemMessage fields to cleaned up preset object
feat(getDefaultConversation.js): add context and systemMessage fields to default conversation object
feat(handleSubmit.js): add context and systemMessage fields to message object
