update README

Author: alnitak

README.md

@@ -3,9 +3,10 @@ A low-level audio plugin for Flutter.
 [![Pub Version](https://img.shields.io/pub/v/flutter_soloud?logo=dart)](https://pub.dev/packages/flutter_soloud)
 [![style: very good analysis](https://img.shields.io/badge/style-very_good_analysis-B22C89.svg)](https://pub.dev/packages/very_good_analysis)
 
-|Linux|Windows|Android|MacOS|iOS|web|
-|:-:|:-:|:-:|:-:|:-:|:-:|
-|💙|💙|💙|💙|💙|💙|
+||Linux|Windows|Android|MacOS|iOS|Web|
+|-|:-:|:-:|:-:|:-:|:-:|:-:|
+|Support|💙|💙|💙|💙|💙|💙|
+|Minimum Version|Any|Any|21|10.15|13.0|Any|
 
 ## Overview
 
@@ -17,10 +18,13 @@ A high-performance audio plugin designed primarily for games and immersive appli
 - 🎮 3D positional audio with Doppler effect
 - 🔄 Gapless looping and streaming
 - 📊 Get audio wave and/or FFT audio data in real-time (useful for visualization)
-- 🎛️ Rich effects system (reverb, echo, filters, etc.)
+- 🎛️ Rich effects system (reverb, echo, limiter, bassboost, etc.)
+- ⚙️ Faders for attributes (e.g. fade out for 2 seconds, then stop)
+- 🎚️ Oscillators for attributes
 - 🌊 Waveform generation and visualization
 - 🔊 Multiple voices, playing different or even the same sound multiple times
 - 🎵 Support for MP3, WAV, OGG, and FLAC
+- ⏱️ Read audio data samples from a file with a given time range
 - 🔄 Stream audio from given audio data with buffering support for PCM and Opus
 - 🌊 Generate waveforms in real-time with various types (sine, square, saw, triangle, etc.)