add description

README.md

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-# Loupedeck-SoundController
-This Loupedeck Plugin allows you to control the the volume of individual applications in Windows.
+# SoundControllerPlugin for Loupedeck (CT, Live)
+
+This Loupedeck Plugin allows you to control the the volume of **individual applications** in Windows.
+
+## About
+
+This plugin uses the freeware utility [SoundVolumeCommandLine](https://www.nirsoft.net/utils/sound_volume_command_line.html) by launching hidden command line instances. This allows you to control the sound of individual applications or processes in the Windows 8, 10 or 11 operating system.
+
+![image](images/main.png)
+
+The plugin is a convenient shell that displays information about the current sound level and allows you to change it.
+
+## Setting up
+
+1. Install plugin via Loupedeck marketplace or [lplug4 file](https://github.com/zer0deck/Loupedeck-SoundController/releases/latest/).
+2. [Download and unpack svcl application](https://www.nirsoft.net/utils/sound_volume_command_line.html).
+3. Use the button on plugin page or in settings to set up svcl.exe path.
+![image](images/loginStart.png)
+4. You will be redirected on this page:
+![image](images/loginProcess.png)
+5. Enter the path and click "save".
+6. You will be redirected back in Loupedeck app and window will be automatically closed.
+![image](images/loginEnd.png)
+7. Everything works! You're amazing!!!
+
+> ! You can always change svcl.exe path in plugin settings !
+
+## Features
+
+1. This plugin contains several **pre-installed adjustment wheels** to control various applications:
+
+    - Discord
+    - Google Chrome
+    - iTunes
+    - Telegram
+    - VLC and etc.
+
+2. Or this plugin allow you to create **your own custom volume wheel**.
+
+## Author
+
+Grandilevskii Aleksei, software engineer,
+github: [@zer0deck](https://github.com/zer0deck),
+email: [email protected]
+
+## Acknowledgement
+
+- Plugin created using [Loupedeck plugin SDK](https://loupedeck.github.io/)
+- Special thanks to [Ihor Kotvytskyi](https://github.com/Igor-Kotv/) for understanding the Loupedeck API and using many undocumented functions, which made development much easier for me thanks to his examples.
+- The developement of this plugin would not have been possible without [NirSoft](https://www.nirsoft.net/).