Set up editorconfig-checker

Author: ubruhin

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+trim_trailing_whitespace = true
+
+[*.bat]
+end_of_line = crlf
+
+[*.hex]
+end_of_line = crlf

.gitlab-ci.yml

@@ -3,6 +3,9 @@ include: https://gitlab.sensirion.lokal/Sensirion/Python/ci-config-python/raw/ma
 check_rst_syntax:
   extends: .check_rst_syntax_v2
 
+check_editorconfig:
+  extends: .check_editorconfig_v2
+
 
 py2p7_linux_build:
   extends: .py2p7_linux_build_v2

README.md

@@ -27,6 +27,14 @@ pip install -e .[test]  # Install requirements
 flake8                  # Run style check
 ```
 
+In addition, we check the formatting of files with
+[`editorconfig-checker`](https://editorconfig-checker.github.io/):
+
+```bash
+pip install editorconfig-checker==2.0.3   # Install requirements
+editorconfig-checker                      # Run check
+```
+
 ### Run tests
 
 Unit tests can be run with [`pytest`](https://pytest.org/):