Add features in README

Author: lulunac27a

README.md

@@ -11,4 +11,9 @@ This app is an endless task list application with levels and experience points (
 5. Create a migration script using `flask db migrate`.
 6. Apply the migration using `flask db upgrade`.
 7. Run the app using `flask run`.
-8. Open `localhost:8081` on your web browser.
+8. Open `localhost:8081` on your web browser.
+
+## Features
+- Levels and XP (Experience Points) system.
+- Repeatable tasks.
+- XP multiplier for tasks based on streaks.

docs/index.md

@@ -11,4 +11,9 @@ This app is an endless task list application with levels and experience points (
 5. Create a migration script using `flask db migrate`.
 6. Apply the migration using `flask db upgrade`.
 7. Run the app using `flask run`.
-8. Open `localhost:8081` on your web browser.
+8. Open `localhost:8081` on your web browser.
+
+## Features
+- Levels and XP (Experience Points) system.
+- Repeatable tasks.
+- XP multiplier for tasks based on streaks.