updated readme

Author: konstantinPopovskikh

README.md

@@ -1,11 +1,9 @@
 # flutter caching test
 
-+ SQLite caching
-+ Google auth
-
-To run program:
-- ```git clone https://github.com/smartforce-io/flutter-caching.git```
-- open "flutter-caching" folder in IDE
-- ```flutter pub get``` (to install all dependencies)
-- choose a device
-- run "main.dart" in debug mode
+This app is used to test the following features:
+- Google Sing In at startup;
+- "Provider Test" - basic testing of ChangeNotifier class;
+- "Future Firestore" - Fetching data from Firestore. Fetched data is cached into SQLite database;
+- "Stream Firestore" - Streaming data from Firestore. Just showing how you can add, update and delete Firestore data in real time;
+- "Clean DB" - removes all tables from SQLite database and creates them again;
+- "Old Json Caching Example" - fetching data from REST API and caching into SQLite;