feat: Add AgentBot APIs (#2323)

app/policies/agent_bot_policy.rb

@@ -0,0 +1,21 @@
+class AgentBotPolicy < ApplicationPolicy
+  def index?
+    @account_user.administrator? || @account_user.agent?
+  end
+
+  def update?
+    @account_user.administrator?
+  end
+
+  def show?
+    @account_user.administrator? || @account_user.agent?
+  end
+
+  def create?
+    @account_user.administrator?
+  end
+
+  def destroy?
+    @account_user.administrator?
+  end
+end