Implement full media crawler workflow with Flask backend and Vue frontend.

Add TMDB search and media detail pages, HDHive resource ingestion flow, unified error handling, Docker single-container runtime, and project docs/config updates for local deployment.

Co-authored-by: Cursor <cursoragent@cursor.com>

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["Vue.volar"]
+}