Improve formatting of docker instructions

docker_instructions.md

@@ -1,23 +1,34 @@
 # To build the docker container
 Run all the following commands from the root directory
 ### Build and Run your service:
-`docker compose up --build -d`
+```sh
+docker compose up --build -d
+```
+
 ### Find the container name:
-`docker ps`
+```sh
+docker ps
+```
 
 Should look something like:
-```
+```txt
 CONTAINER ID   IMAGE                             COMMAND               CREATED         STATUS         PORTS     NAMES
 7b2de3be0087   participation-project-napolitan   "tail -f /dev/null"   5 seconds ago   Up 4 seconds             participation-project-napolitan-1
 ```
 
 ### Execute a bash shell inside the container:
-Use the name from above.\
-`docker exec -it participation-project-napolitan-1 bash`
+Use the name from above.
+```sh
+docker exec -it participation-project-napolitan-1 bash
+```
 
 ### Setup gcloud cli project and authenticate:
-`gcloud auth application-default login && \`\
-`gcloud config set project <project_name>`
+```sh
+gcloud auth application-default login && \
+gcloud config set project <project_name>
+```
 
 # To delete docker container
-`docker compose down --rmi all --volumes`
+```sh
+docker compose down --rmi all --volumes
+```