feat: Initial clean release of CHM

packages/app-mobile/utils/testing/createMockReduxStore.ts

@@ -0,0 +1,19 @@
+import { createStore } from 'redux';
+import appDefaultState from '../appDefaultState';
+import Setting from '@joplin/lib/models/Setting';
+import { AppState } from '../types';
+import appReducer from '../appReducer';
+
+const testReducer = (state: AppState|undefined, action: unknown): AppState => {
+	state ??= {
+		...appDefaultState,
+		settings: Setting.toPlainObject(),
+	};
+
+	return { ...state, ...appReducer(state, action) };
+};
+
+const createMockReduxStore = () => {
+	return createStore(testReducer);
+};
+export default createMockReduxStore;