Add reasoning_interval and adaptive_reasoning features

Co-Authored-By: Joe Moura <joao@crewai.com>

examples/reasoning_interval_example.py

@@ -0,0 +1,56 @@
+"""
+Example demonstrating the new reasoning interval and adaptive reasoning features.
+
+This example shows how to:
+1. Use reasoning_interval to make an agent reason every X steps
+2. Use adaptive_reasoning to let the agent decide when to reason
+"""
+
+from crewai import Agent, Task, Crew
+from crewai.tools import WebBrowserTool
+
+browser_tool = WebBrowserTool()
+
+interval_agent = Agent(
+    role="Research Analyst",
+    goal="Find and analyze information about a specific topic",
+    backstory="You are a skilled researcher who methodically analyzes information.",
+    verbose=True,
+    reasoning=True,
+    reasoning_interval=3,
+    tools=[browser_tool]
+)
+
+adaptive_agent = Agent(
+    role="Research Analyst",
+    goal="Find and analyze information about a specific topic",
+    backstory="You are a skilled researcher who methodically analyzes information.",
+    verbose=True,
+    reasoning=True,
+    adaptive_reasoning=True,
+    tools=[browser_tool]
+)
+
+research_task = Task(
+    description="""
+    Research the latest developments in renewable energy technology.
+    
+    1. Find information about recent breakthroughs in solar energy
+    2. Research advancements in wind power technology
+    3. Analyze trends in energy storage solutions
+    4. Compare the cost-effectiveness of different renewable energy sources
+    5. Summarize your findings in a comprehensive report
+    """,
+    expected_output="A comprehensive report on the latest developments in renewable energy technology",
+    agent=interval_agent  # Use the interval_agent for this example
+)
+
+crew = Crew(
+    agents=[interval_agent],
+    tasks=[research_task],
+    verbose=2
+)
+
+result = crew.kickoff()
+print("\nResult:")
+print(result)