Add assets

Author: nkantar

Makefile

@@ -1,14 +1,23 @@
 .DEFAULT_GOAL := help
-.PHONY: help install build netlify
+.PHONY: help install html css build serve netlify
 
 help: ## this help dialog
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 install: ## install all dependencies, including Poetry
 	python3 -m pip install poetry && poetry env use 3 && poetry install
 
-build: ## build site in output/
+html: ## build HTML with corvid
 	poetry run corvid
 
+css: ## compile CSS from Sass
+	poetry run pysass output/assets/style/style.scss output/assets/style/style.css
+
+build: ## build site in output/
+	make html && make css
+
+serve: ## serve site from output/
+	poetry run python -m http.server 8000 -d output
+
 netlify: ## publish on Netlify
 	make install && make build