Add QuillSense support with settings and integration

- Introduced new "QuillSense" feature for AI-assisted book creation.
- Added QuillSense settings panel with advanced options and disable/enable functionality.
- Updated GhostWriter and TextEditor components to respect QuillSense settings.
- Extended models and repositories to track and manage QuillSense state per book.
- Localized new strings for English and French.

components/editor/TextEditor.tsx

@@ -483,7 +483,7 @@ export default function TextEditor() {
                         onClick={handleShowUserSettings}
                         icon={faCog}
                     />
-                    {chapter?.chapterContent.version === 2 && !isCurrentlyOffline() && !book?.localBook && (
+                    {chapter?.chapterContent.version === 2 && !isCurrentlyOffline() && !book?.localBook && book?.quillsenseEnabled !== false && (
                         <CollapsableButton
                             showCollapsable={showGhostWriter}
                             text={t("textEditor.ghostWriter")}