Add sample configuration and documentation (#1)

Reviewed-on: #1

Makefile

@@ -1,20 +1,5 @@
-shell: 
-	MYPYPATH=`pipenv --venv`/lib/python3.11/site-packages pipenv shell
-
-test:
-	pipenv run python -m unittest discover
-
-docker-tests:
-	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.11-alpine sh runtests.sh
-	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.10-alpine sh runtests.sh
-	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.11 sh runtests.sh
-	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.10 sh runtests.sh
-	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.9 sh runtests.sh
-
-requirements.txt: Pipfile.lock
-	pipenv requirements > requirements.txt
-
-build: clean requirements.txt
+# Needs python3 >= 3.9, sed, git for build
+build: clean
 	python3 -m pip install -r requirements.txt --no-compile --target build
 	cp -r mail4one/ build/
 	sed -i "s/DEVELOMENT/$(shell scripts/get_version.sh)/" build/mail4one/version.py
@@ -30,5 +15,31 @@ clean:
 	rm -rf build
 	rm -rf mail4one.pyz
 
+docker-tests:
+	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.11-alpine sh runtests.sh
+	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.10-alpine sh runtests.sh
+	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.11 sh runtests.sh
+	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.10 sh runtests.sh
+	docker run --pull=always -v `pwd`:/app -w /app --rm -it python:3.9 sh runtests.sh
+
+# ============================================================================
+
+requirements.txt: Pipfile.lock
+	pipenv requirements > requirements.txt
+
 format:
 	black mail4one/*py
+
+build-dev: requirements.txt build
+
+setup:
+	pipenv install
+
+cleanup:
+	pipenv --rm
+
+shell:
+	MYPYPATH=`pipenv --venv`/lib/python3.11/site-packages pipenv shell
+	
+test:
+	pipenv run python -m unittest discover