Added docker prompt for mac

Setup_Linux_Mac.sh

@@ -121,6 +121,13 @@ if [ "$install" == "1" ]; then
             fi
             echo ""
             echo ""
+            echo "Do you have Docker installed?"
+            echo ""
+            echo "${RED}1${NC} - No, install it for me!"
+            echo "${RED}2${NC} - Yes"
+            echo ""
+            read docker
+            if [ "$docker" == "1" ]; then
                 echo "Downloading the Docker for Mac installer"
                 brew install wget
                 wget https://download.docker.com/mac/stable/Docker.dmg
@@ -139,6 +146,9 @@ if [ "$install" == "1" ]; then
                 echo "Press enter when finished."
                 echo ""
                 read
+            else
+              continue
+            fi
         else
             echo ""
             echo ""