RSS/Atom -> ntfy bridge with web UI, OPML import/export and RU/EN localization

Web-managed fork of nurefexc/rss-bridge-ntfy: Flask UI + REST API, background
sync engine (SQLite dedup, quiet hours, filters, flood protection, images),
OPML import/export and switchable interface/notification language.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,12 @@
+data/
+.git/
+.gitignore
+__pycache__/
+*.pyc
+*.pyo
+.venv/
+venv/
+.env
+.idea/
+.vscode/
+README.md