feat!(build): replace poetry with uv

- BREAKING CHANGE: poetry won’t work anymore

Makefile

@@ -1,15 +1,18 @@
 all: build
 
 build:
-	poetry run pelican -s publishconf.py
+	uv run pelican -s publishconf.py
 
 dev:
-	poetry run invoke livereload
+	uv run invoke livereload
 
 publish:
-	poetry run invoke publish
+	uv run invoke publish
 
 clean:
-	poetry run invoke clean
+	uv run invoke clean
 
-.PHONY: clean build publish dev
+init:
+	uv sync
+
+.PHONY: clean build publish dev init