Update es-bro-mappings.json
Update es-bro-mappings.json

didn't test putting _template into dev-tools / elastic directly..
This is the correct one
CyberAnalyticDevTeam/SimpleRock,spartan782/rock,rocknsm/rock,spartan782/rock,CyberAnalyticDevTeam/SimpleRock,spartan782/rock,rocknsm/rock,rocknsm/SimpleRock,rocknsm/rock,rocknsm/SimpleRock,rocknsm/SimpleRock,CyberAnalyticDevTeam/SimpleRock