Add README.md file

README file so everyone knows
how to use the containers.

Signed-off-by: Cosmin Tanasa <tanasa.cosminandrei@gmail.com>

Author: cosmintanasa47

chapters/mitigations-and-defensive-strategies/defense-mechanisms/activities/03-rwslotmachine3/deploy/README.md

@@ -0,0 +1,37 @@
+#Build, Run and Stop the container
+
+- Build docker images for build and runtime stages:
+
+	```bash
+	make create_build
+	make create_runtime
+	```
+
+- Run the containers:
+
+	```bash
+	make run_build
+	make run_runtime
+	```
+
+- Stop the containers:
+
+	```bash
+	make stop_build
+	make stop_runtime
+	```
+
+- Clean
+
+	```bash
+	make clean_all
+	```
+
+#Use the container and the executable
+
+Build and run the runtime container and
+from host run:
+
+	```bash
+	nc 127.0.0.1 32001
+	```