refactoring, more possible branch fixes + lint

Signed-off-by: Roman <ixrock@gmail.com>

docs/extensions/guides/stores.md

@@ -25,7 +25,7 @@ The following example code creates a store for the `appPreferences` guide exampl
 
 ``` typescript
 import { Store } from "@k8slens/extensions";
-import { observable, toJS, makeObservable } from "mobx";
+import { observable, makeObservable } from "mobx";
 
 export type ExamplePreferencesModel = {
   enabled: boolean;
@@ -51,7 +51,7 @@ export class ExamplePreferencesStore extends Store.ExtensionStore<ExamplePrefere
 
   toJSON(): ExamplePreferencesModel {
     return {
-      enabled: toJS(this.enabled)
+      enabled: this.enabled
     };
   }
 }
@@ -72,7 +72,6 @@ The `enabled` field of the `ExamplePreferencesStore` is set to the value from th
 The `toJSON()` method is complementary to `fromStore()`.
 It is called when the store is being saved.
 `toJSON()` must provide a JSON serializable object, facilitating its storage in JSON format.
-The `toJS()` function from [`mobx`](https://mobx.js.org/README.html) is convenient for this purpose, and is used here.
 
 Finally, `ExamplePreferencesStore` is created by calling `ExamplePreferencesStore.getInstanceOrCreate()`, and exported for use by other parts of the extension.
 Note that `ExamplePreferencesStore` is a singleton.