Add downloads folder so that it can be volume mounted

Dockerfile

@@ -72,7 +72,8 @@ RUN mkdir -p ~/databases && \
   mkdir -p $INFA_HOME/apps/OpsInsightsDataCollector/logs && \
   mkdir -p $INFA_HOME/apps/process-engine/logs && \
   mkdir -p $INFA_HOME/apps/Data_Integration_Server/ext/drivers && \
-  mkdir -p $INFA_HOME/apps/agentcore/conf
+  mkdir -p $INFA_HOME/apps/agentcore/conf && \
+  mkdir -p $INFA_HOME/downloads
 
 # 1. Download and prepare Installer
 # 2. Set file permissions