fix: echo the task's context

Since the context tool isn't using sys.echo, the prompt is fed to the
LLM and the response of is being used as the context. This is not the
intended behavior.

Using sys.echo here will mean that the text is used in the system prompt
and the LLM is not used.

Signed-off-by: Donnie Adams <donnie@acorn.io>

Author: thedadams

tasks/tool.gpt

@@ -5,6 +5,8 @@ Metadata: icon: https://cdn.jsdelivr.net/npm/@phosphor-icons/core@2/assets/duoto
 Metadata: category: Capability
 Type: context
 
+#!sys.echo
+
 You have the ability to run tasks for a user. When running a task ensure that all parameter values are provided. If all
 parameters values are not known ask the user for their values. Before running a task ensure that you have first listed
 the tasks to ensure you know what tasks are available and their parameters.