Add issue templates and CI workflows; remove obsolete files

- Created bug report and feature request templates for better issue tracking.
- Added a build workflow for automated package management and release.
- Removed outdated CodeQL analysis and Python publish workflows.
- Updated project metadata in pyproject.toml and README.md.
- Refactored torrent handling and site interaction modules.

src/komsuite_nyaapy/sites/nyaa.py

@@ -0,0 +1,11 @@
+from komsuite_nyaapy import AnimeTorrentSite, TorrentSite
+
+
+class SukebeiNyaa(AnimeTorrentSite):
+    SITE = TorrentSite.SUKEBEINYAASI
+    URL = TorrentSite.get_site(SITE)
+
+
+class Nyaa(AnimeTorrentSite):
+    SITE = TorrentSite.NYAASI
+    URL = TorrentSite.get_site(SITE)