Add commands and docs for loading dummy data (#1682)

* add make target to load dummy data for docker

* load dummy data on postcreate devcontainer

* add docs for loading dummy data

* add missing docs dependencies

.devcontainer/devcontainer.json

@@ -12,11 +12,10 @@
   "waitFor": "onCreateCommand",
 	"service": "backend",
 	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
-  "postCreateCommand": "python manage.py migrate && python manage.py collectstatic --noinput",
+  "postCreateCommand": "python manage.py migrate && python manage.py collectstatic --noinput && python manage.py load_dummy_data",
   "postAttachCommand": {
     "server": "python manage.py runserver"
   },
-
 	"customizations": {
     "vscode": {
       "extensions": [

Makefile

@@ -25,6 +25,9 @@ up:
 down:
 	docker compose -f docker-compose.yaml -f $(docker_config_file) down
 
+load-dummy-data:
+	docker compose exec backend bash -c "python manage.py load_dummy_data"
+
 list:
 	docker compose -f docker-compose.yaml -f $(docker_config_file) ps