Add optional deps for an unembedded experience

diff --git a/Broker_Equipment.toc b/Broker_Equipment.toc
index 04de2b5..34b5cc0 100644
--- a/Broker_Equipment.toc
+++ b/Broker_Equipment.toc
@@ -4,6 +4,8 @@
 ## Title: Broker Equipment
 ## Notes: LDB Equipment Manager plug-in

+## OptionalDeps: LibStub, CallbackHandler-1.0, LibDataBroker-1.1
+
 embeds\LibStub\LibStub.lua
 embeds\CallbackHandler\CallbackHandler-1.0.lua
 embeds\LibDataBroker\LibDataBroker-1.1.lua