Move to src dir usage (#99)

src/crewai/tasks/task_output.py

@@ -0,0 +1,17 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field, model_validator
+
+
+class TaskOutput(BaseModel):
+    """Class that represents the result of a task."""
+
+    description: str = Field(description="Description of the task")
+    summary: Optional[str] = Field(description="Summary of the task", default=None)
+    result: str = Field(description="Result of the task")
+
+    @model_validator(mode="after")
+    def set_summary(self):
+        excerpt = " ".join(self.description.split(" ")[:10])
+        self.summary = f"{excerpt}..."
+        return self