feat: Bump version to 1.1.0.0 and add advanced configuration options for seasonal effects

Enhanced JavaScript files for autumn, christmas, easter, fireworks, halloween, hearts, santa, snowfall, snowflakes, and snowstorm to support configuration options via window.SeasonalsPluginConfig.

Added automatic theme selection based on date in README.md.

Jellyfin.Plugin.Seasonals/Web/seasonals.js

@@ -161,6 +161,7 @@ async function initializeTheme() {
             const config = await response.json();
             automateThemeSelection = config.automateSeasonSelection;
             defaultTheme = config.selectedSeason;
+            window.SeasonalsPluginConfig = config;
         } else {
             console.error('Failed to fetch Seasonals config');
         }