Document HTML playlist

packages/webamp-docs/docs/05_features/04_playlist.md

@@ -0,0 +1,11 @@
+# Playlist
+
+## Generate HTML Playlist
+
+Webamp implements's Winamp feature for exporting the current playlist to an HTML file. This feature is available in the Webamp UI under the "Playlist" menu, and it allows you to generate a simple HTML file that lists all the tracks in the current playlist in exactly the same style as Winamp's HTML.
+
+![Generate HTML Playlist](../../static/img/playlist-html-playlist.png)
+
+The resulting HTML file looks like this:
+
+![HTML Playlist](../../static/img/playlist-html.png)

packages/webamp/CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Improvements
 
 - Improve skin parsing performance and avoid Chrome console warning by adding `willReadFrequently` to canvas contexts.
+- Define an explicit `IMedia` interface for custom media implementations, which allows for better type checking and documentation.
 
 ## 2.0.1 [CURRENT]