Add clarifying comments for n_entries and __last_playlist_index fields

Agent-Logs-Url: https://github.com/alexta69/metube/sessions/b5aeb55a-3197-4a14-b8b4-96c9a67796e8

Co-authored-by: alexta69 <7450369+alexta69@users.noreply.github.com>

Dockerfile

@@ -63,10 +63,9 @@ ENV UMASK=022
 ENV DOWNLOAD_DIR=/downloads
 ENV STATE_DIR=/downloads/.metube
 ENV TEMP_DIR=/downloads
-ENV PORT=8081
 VOLUME /downloads
 EXPOSE 8081
-HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 CMD curl -fsS "http://localhost:${PORT}/" || exit 1
+HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 CMD curl -fsS "http://localhost:8081/" || exit 1
 
 # Add build-time argument for version
 ARG VERSION=dev

README.md

@@ -3,12 +3,7 @@
 ![Build Status](https://github.com/alexta69/metube/actions/workflows/main.yml/badge.svg)
 ![Docker Pulls](https://img.shields.io/docker/pulls/alexta69/metube.svg)
 
-MeTube is a self-hosted web UI for `yt-dlp`, for downloading media from YouTube and [dozens of other sites](https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md).
-
-Key capabilities:
-* Download videos, audio, captions, and thumbnails from a browser UI.
-* Download playlists and channels, with configurable output and download options.
-* Subscribe to channels and playlists, periodically check for new items, and queue new uploads automatically.
+Web GUI for youtube-dl (using the [yt-dlp](https://github.com/yt-dlp/yt-dlp) fork) with playlist support. Allows you to download videos from YouTube and [dozens of other sites](https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md).
 
 ![screenshot1](https://github.com/alexta69/metube/raw/master/screenshot.gif)