Implement IndexedDB document auto-save (#422)

* removed all use of document indicies

* -add u64 support for wasm bridge

* fixed rust formating

* Cleaned up FrontendDocumentState in js-messages

* Tiny tweaks from code review

* - moved more of closeDocumentWithConfirmation to rust
- updated serde_wasm_bindgen to add feature flag

* working initial auto save impl

* auto save is a lifetime file

* - cargo fmt
- fixc error message
- move document version constant

* code review round 1

* generate seed for uuid in js when wasm is initialized

* Resolve PR feedback

* Further address PR feedback

* Fix failing test

Co-authored-by: Keavon Chambers <keavon@keavon.com>
Co-authored-by: otdavies <oliver@psyfer.io>

frontend/src/App.vue

@@ -230,6 +230,7 @@ import LayoutRow from "@/components/layout/LayoutRow.vue";
 import { createEditorState, EditorState } from "@/state/wasm-loader";
 import { createInputManager, InputManager } from "@/lifetime/input";
 import { initErrorHandling } from "@/lifetime/errors";
+import { createAutoSaveManager } from "@/lifetime/auto-save";
 
 // Vue injects don't play well with TypeScript, and all injects will show up as `any`. As a workaround, we can define these types.
 declare module "@vue/runtime-core" {
@@ -259,6 +260,7 @@ export default defineComponent({
 		const documents = createDocumentsState(editor, dialog);
 		const fullscreen = createFullscreenState();
 		initErrorHandling(editor, dialog);
+		createAutoSaveManager(editor, documents);
 
 		return {
 			editor,