adding ai_economist for modding

ai_economist/foundation/agents/mobiles.py

@@ -0,0 +1,18 @@
+# Copyright (c) 2020, salesforce.com, inc.
+# All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+# For full license text, see the LICENSE file in the repo root
+# or https://opensource.org/licenses/BSD-3-Clause
+
+from ai_economist.foundation.base.base_agent import BaseAgent, agent_registry
+
+
+@agent_registry.add
+class BasicMobileAgent(BaseAgent):
+    """
+    A basic mobile agent represents an individual actor in the economic simulation.
+
+    "Mobile" refers to agents of this type being able to move around in the 2D world.
+    """
+
+    name = "BasicMobileAgent"