Add Makefile and README info for non-docker devs

Makefile

@@ -15,3 +15,10 @@ shell:
 deploy:
 	docker build . -f ./Dockerfile.prod -t ukhackspacefoundation/website:latest
 	docker push ukhackspacefoundation/website:latest
+
+nd_deps:
+	poetry install --no-root
+
+nd_run:
+	poetry run ./manage.py migrate
+	DJANGO_SETTINGS_MODULE=hsf.dev_settings poetry run ./manage.py runserver 0.0.0.0:8000

README.md

@@ -75,6 +75,16 @@ To update all dependencies to their latest versions:
 Once you've updated dependencies, you'll need to rebuild the Docker image by re-running
 `docker compose up --build` (you don't need to run `docker compose down`).
 
+## Installing & Running without docker
+
+To install dependencies locally, use:
+
+    $ make nd_deps
+
+To run the website on port 8000:
+
+    $ make nd_run
+
 # Deployment
 
 See [docs/deployment.md](docs/deployment.md) for deployment info.