Added comments + rephrased some commands

Makefile

@@ -4,17 +4,26 @@ ifneq (,$(wildcard ./.ins.env))
     export
 endif
 
+# spin up the containers
 start:
 	docker compose -f docker-compose.nginx.yml up -d
 
+# set up the database
 migrate:
 	docker compose -f docker-compose.nginx.yml run php php bin/console doctrine:migrations:migrate
 
-down:
+# stop the containers
+stop:
 	docker compose -f docker-compose.nginx.yml down
 
+# clear the Symfony cache
+clean-cache:
+	docker compose -f docker-compose.nginx.yml run php bin/console cache:clear
+
+# fill your institutions table data with the variables in your ins.env file. Use this command if you are using mysql.
 ins-mysql:
 	docker exec -it udoit3-db mysql -u root -proot udoit3 -e "INSERT INTO institution (title, lms_domain, lms_id, lms_account_id, created, status, vanity_url, metadata, api_client_id, api_client_secret) VALUES ('$(TITLE)', '$(LMS_DOMAIN)', '$(LMS_ID)', '$(LMS_ACCOUNT_ID)', '$(CREATED)', '$(STATUS)', '$(VANITY_URL)', '$(METADATA)', '$(API_CLIENT_ID)', '$(API_CLIENT_SECRET)');"
 
+# fill your institutions table data with the variables in your institutions.env file. Use this command if you are using postgresql.
 ins-psql:
 	docker exec -it -e PGPASSWORD=root udoit3-db psql -U root -d udoit3 -w -c "INSERT INTO institution (title, lms_domain, lms_id, lms_account_id, created, status, vanity_url, metadata, api_client_id, api_client_secret) VALUES ('$(TITLE)', '$(LMS_DOMAIN)', '$(LMS_ID)', '$(LMS_ACCOUNT_ID)', '$(CREATED)', '$(STATUS)', '$(VANITY_URL)', '$(API_CLIENT_ID)', '$(API_CLIENT_SECRET)');"