add start-basic.sh for linux

RedisConfigs/start-basic.sh

+INDENT='   '
+echo "Starting Redis servers for testing..."
+
+#Basic Servers
+echo "Starting Basic: 6379-6382"
+pushd Basic > /dev/null
+echo "${INDENT}Master: 6379"
+redis-server master-6379.conf &>/dev/null &
+echo "${INDENT}Slave: 6380"
+redis-server slave-6380.conf &>/dev/null &
+echo "${INDENT}Secure: 6381"
+redis-server secure-6381.conf &>/dev/null &
+popd > /dev/null
+
+echo Servers started.
\ No newline at end of file