Add formatting configuration

Author: ivlevdenis

.editorconfig

@@ -0,0 +1,25 @@
+root = true
+
+[Makefile]
+indent_style = tab
+
+[*.{html,py,js,yml}]
+charset = utf-8
+
+[*.js]
+indent_style = space
+indent_size = 2
+
+[*.yml]
+indent_style = space
+indent_size = 2
+
+[*.html]
+indent_style = space
+indent_size = 4
+
+[*.py]
+indent_style = space
+indent_size = 4
+line_length = 79
+multi_line_output = 3

pyproject.toml

@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "toggl_python"
 version = "0.2.6"
-description = "Python wraper for Toggl API."
+description = "Python wrapper for Toggl API."
 authors = ["Ivlev Denis <[email protected]>"]
 readme = "README.md"
 homepage = "https://github.com/evrone/toggl_python"
@@ -27,6 +27,28 @@ respx = "^0.16"
 black = "^20.8b1"
 ipython = "^7.19.0"
 
+[tool.black]
+line-length = 79
+target-version = ['py38']
+include = '\.pyi?$'
+exclude = '''
+(
+  /(
+      \.eggs         # exclude a few common directories in the
+    | \.git          # root of the project
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | \.venv
+    | _build
+    | buck-out
+    | build
+    | dist
+  )/
+  | foo.py           # also separately exclude a file named foo.py in
+                     # the root of the project
+)
+'''
 
 [build-system]
 requires = ["poetry>=0.12"]