Use poetry instead of pipenv

Pipenv is better for apps, not libs.

Author: Cito

.bumpversion.cfg

@@ -0,0 +1,21 @@
+[bumpversion]
+current_version = 1.0.2
+commit = True
+tag = True
+
+[bumpversion:file:graphql/__init__.py]
+search = __version__ = "{current_version}"
+replace = __version__ = "{new_version}"
+
+[bumpversion:file:docs/conf.py]
+search = version = release = u'{current_version}'
+replace = version = release = u'{new_version}'
+
+[bumpversion:file:README.md]
+search = The current version {current_version}
+replace = The current version {new_version}
+
+[bumpversion:file:pyproject.toml]
+search = version = "{current_version}"
+replace = version = "{new_version}"
+

MANIFEST.in

@@ -1,14 +1,17 @@
+include MANIFEST.in
+
 include LICENSE
 include README.md
-include Makefile
-include MANIFEST.in
-include Pipfile
-include pytest.ini
+
 include tox.ini
+include .mypy.ini
+include .editorconfig
+include .flake8
+include pyproject.toml
 
 graft graphql
 graft tests
-recursive-include docs *.rst conf.py Makefile make.bat *.jpg *.png *.gif
+recursive-include docs *.rst conf.py make.bat *.jpg *.png *.gif
 prune docs/_build
 
 global-exclude *.py[co] __pycache__