refactor: migrate main.py to modular routers and add project roadmap

- Migrated monolithic main.py to feature-scoped routers in app/routers/
- Added GEMINI.md for project context and AI instructional guidelines
- Updated README.md with a comprehensive modernization plan (SQL migration, robust scraping DSL, frontend modernization)
- Improved authentication with cookie support and modular JS
- Updated test suite and documentation

app/providers.py

@@ -3,8 +3,8 @@
 ANIME_PROVIDERS = {
     "anime-sama": {
         "name": "Anime-Sama",
-        "domains": ["anime-sama.si", "www.anime-sama.si", "anime-sama.org", "anime-sama.store", "anime-sama.eu"],
-        "url_pattern": "https://anime-sama.si/catalogue/{anime}/saison{season}/{lang}/",
+        "domains": ["anime-sama.to", "www.anime-sama.to", "anime-sama.tv", "www.anime-sama.tv", "anime-sama.si", "www.anime-sama.si", "anime-sama.org", "anime-sama.store", "anime-sama.eu"],
+        "url_pattern": "https://anime-sama.to/catalogue/{anime}/saison{season}/{lang}/",
         "icon": "🎬",
         "color": "#00d9ff"
     },
@@ -114,6 +114,12 @@ FILE_HOSTS = {
         "domains": ["uqload.bz", "uqload.com", "www.uqload.bz", "www.uqload.com"],
         "icon": "📺",
         "color": "#fd79a8"
+    },
+    "smoothpre": {
+        "name": "Smoothpre",
+        "domains": ["smoothpre.com", "www.smoothpre.com"],
+        "icon": "🎬",
+        "color": "#a29bfe"
     }
 }