Implement ViewIt Plugin System Documentation and Update Project Notes

- Added comprehensive documentation for the ViewIt Plugin System, detailing the plugin loading process, required methods, optional features, and community extension workflow.
- Updated project notes to reflect the current structure, build process, search logic, and known issues.
- Introduced new build scripts for installing the add-on and creating ZIP packages.
- Added test scripts for TMDB API integration, including argument parsing and logging functionality.
- Enhanced existing plugins with improved search logic and error handling.

addon/resources/settings.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<settings>
+  <category label="Allgemein">
+    <setting id="debug_log_urls" type="bool" label="Debug: URL-Log aktivieren (global)" default="false" />
+    <setting id="debug_dump_html" type="bool" label="Debug: HTML-Antworten speichern (global)" default="false" />
+    <setting id="debug_show_url_info" type="bool" label="Debug: Aufgerufene URL anzeigen (global)" default="false" />
+  </category>
+  <category label="TopStream">
+    <setting id="topstream_base_url" type="text" label="Basis-URL (z.B. https://www.meineseite)" default="https://www.meineseite" />
+    <setting id="topstream_genre_max_pages" type="number" label="Genres: max. Seiten laden (Pagination)" default="20" />
+  </category>
+  <category label="Einschalten">
+    <setting id="einschalten_base_url" type="text" label="Basis-URL (nur eigene/autorisiert betriebene Quelle)" default="" />
+    <setting id="einschalten_index_path" type="text" label="Index-Pfad (z.B. /)" default="/" />
+    <setting id="einschalten_new_titles_path" type="text" label="Neue-Titel-Pfad (z.B. /movies/new)" default="/movies/new" />
+    <setting id="einschalten_search_path" type="text" label="Suche-Pfad (z.B. /search)" default="/search" />
+    <setting id="einschalten_genres_path" type="text" label="Genres-Pfad (z.B. /genres)" default="/genres" />
+    <setting id="einschalten_enable_playback" type="bool" label="Wiedergabe aktivieren (nur autorisierte Quellen)" default="false" />
+    <setting id="einschalten_watch_path_template" type="text" label="Watch-Pfad-Template (z.B. /api/movies/{id}/watch)" default="/api/movies/{id}/watch" />
+  </category>
+  <category label="TMDB">
+    <setting id="tmdb_api_key" type="text" label="TMDB API Key" default="" />
+    <setting id="tmdb_language" type="text" label="TMDB Sprache (z.B. de-DE)" default="de-DE" />
+    <setting id="tmdb_prefetch_concurrency" type="number" label="TMDB: Parallelität (Prefetch, 1-20)" default="6" />
+    <setting id="tmdb_show_plot" type="bool" label="TMDB Plot anzeigen" default="true" />
+    <setting id="tmdb_show_art" type="bool" label="TMDB Poster/Thumb anzeigen" default="true" />
+    <setting id="tmdb_show_fanart" type="bool" label="TMDB Fanart/Backdrop anzeigen" default="true" />
+    <setting id="tmdb_show_rating" type="bool" label="TMDB Rating anzeigen" default="true" />
+    <setting id="tmdb_show_votes" type="bool" label="TMDB Vote-Count anzeigen" default="false" />
+    <setting id="tmdb_show_cast" type="bool" label="TMDB Cast anzeigen" default="false" />
+    <setting id="tmdb_show_episode_cast" type="bool" label="TMDB Besetzung pro Episode anzeigen" default="false" />
+    <setting id="tmdb_genre_metadata" type="bool" label="TMDB Meta in Genre-Liste anzeigen" default="false" />
+    <setting id="tmdb_log_requests" type="bool" label="TMDB API Requests loggen" default="false" />
+    <setting id="tmdb_log_responses" type="bool" label="TMDB API Antworten loggen" default="false" />
+  </category>
+</settings>