[fix] fix make build by using poetry

update README.md

Makefile

@@ -36,11 +36,10 @@ format:
 	black tests
 	black examples
 
-# build a wheel package in build folder and put it in dist folder
+# build a wheel package in dist folder
 build:
-	if [ -d "./build" ]; then rm -r build/*; fi
 	if [ -d "./dist" ]; then rm -r dist/*; fi
-	python setup.py sdist bdist_wheel
+	poetry build
 
 # upload on PyPi repository
 deploy:

README.md

@@ -105,7 +105,7 @@ Change and commit and tag the new version number (semantic version number)
 
 Build the PyPi package in the `dist` folder
 ```bash
-poetry build
+make build
 ```
 
 Deploy the package to PyPi test repository (prefix the command with a space in order for the shell not to save in its history system the command containing the password)