Add __init__.py for agents module in FinResearch AI, defining agent imports and module exports

src/agents/__init__.py

@@ -0,0 +1,8 @@
+"""Agents module for FinResearch AI."""
+
+from src.agents.manager import ManagerAgent
+from src.agents.researcher import ResearcherAgent
+from src.agents.analyst import AnalystAgent
+from src.agents.reporter import ReporterAgent
+
+__all__ = ["ManagerAgent", "ResearcherAgent", "AnalystAgent", "ReporterAgent"]