Add Anvil Studio 2020.12.03 (#535)

* Add AnvilStudio 2020.04.03

* Update AnvilStudio manifest to multi file format

* Fix indentation

Co-authored-by: chausner <chausner@users.noreply.github.com>

manifests/w/WillowSoftware/AnvilStudio/2020.12.03/WillowSoftware.AnvilStudio.locale.en-US.yaml

@@ -0,0 +1,33 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultlocale.1.0.0.schema.json
+PackageIdentifier: WillowSoftware.AnvilStudio
+PackageVersion: 2020.12.03
+PackageLocale: en-US
+Publisher: Willow Software
+PublisherUrl: https://anvilstudio.com/
+PackageName: Anvil Studio
+PackageUrl: https://anvilstudio.com/
+License: Copyright © 1997-2020 by Willow Software
+Copyright: Copyright © 1997-2020 by Willow Software
+ShortDescription: Create songs with extensive MIDI and Audio editing capabilities
+Description: >
+  Anvil Studio ™ is a free Windows 10 / 8.x / 7 Program
+  designed for people who want to:
+  
+  • record music with MIDI and Audio equipment
+  
+  • compose music for MIDI and Audio equipment
+  
+  • sequence music with MIDI equipment
+  
+  • play with music using a computer, and
+  
+  • print sheet music from standard MIDI files with the optional Print-Sheet accessory.
+Tags:
+  - MIDI
+  - music
+  - audio
+  - record
+  - compose
+  - sheet music
+ManifestType: defaultLocale
+ManifestVersion: 1.0.0