added kafkadrop script

apps/bin/kafkadrop.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+docker run \
+    -d \
+    --rm \
+    -p 9000:9000 \
+    -e KAFKA_BROKERCONNECT=$1 \
+    -e JVM_OPTS="-Xms320M -Xmx640M" \
+    -e SERVER_SERVLET_CONTEXTPATH="/" \
+    --name kafka-drop \
+    obsidiandynamics/kafdrop