- Implementation of specialist execution api, including SSE protocol

- eveai_chat becomes deprecated and should be replaced with SSE
- Adaptation of STANDARD_RAG specialist
- Base class definition allowing to realise specialists with crewai framework
- Implementation of SPIN_SPECIALIST
- Implementation of test app for testing specialists (test_specialist_client). Also serves as an example for future SSE-based client
- Improvements to startup scripts to better handle and scale multiple connections
- Small improvements to the interaction forms and views
- Caching implementation improved and augmented with additional caches

.repopackignore_patched_packages

@@ -0,0 +1,11 @@
+docker/
+eveai_api/
+eveai_app/
+eveai_beat/
+eveai_chat/
+eveai_entitlements/
+eveai_workers/
+instance/
+integrations/
+nginx/
+scripts/