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/rightbar/ComposerRightBar.tsx

@@ -171,7 +171,16 @@ export default function ComposerRightBar() {
             <div className="bg-tertiary border-l border-secondary/50 p-3 flex flex-col space-y-3 shadow-xl">
                 {book ? editorComponents
                     .filter((component: PanelComponent):boolean => {
-                        return !((isCurrentlyOffline() || book?.localBook) && component.id === 1);
+                        // Filter QuillSense if offline, local book, or quillsenseEnabled is false
+                        if (component.id === 1) {
+                            if (isCurrentlyOffline() || book?.localBook) {
+                                return false;
+                            }
+                            if (book?.quillsenseEnabled === false) {
+                                return false;
+                            }
+                        }
+                        return true;
                     })
                     .map((component: PanelComponent) => (
                     <button