Simple lektor sass plugin

- Using python's libsass to compile the final CSS
Closes #4

Makefile

@@ -2,11 +2,11 @@ setup:
 	pip install --user setuptools
 	pip install --user poetry
 	poetry install
-	npm install
+
+clean:
+	rm -rf public
+	rm -rf assets/static/css
 
 build:
-	node_modules/gulp/bin/gulp.js sass
-	poetry run lektor build --prune --output-path ${PWD}/public --buildstate-path ${PWD}/.lektor
-
-watch:
-	node_modules/gulp/bin/gulp.js sass:watch
+	make clean
+	poetry run lektor build --output-path ${PWD}/public --buildstate-path ${PWD}/.lektor