Merge branch '480-provide-formating-hits-via-editorconfig' into 'development'

cross-platform formatting hints

Closes #480

See merge request damask/DAMASK!1031

Author: MarDiehl

.editorconfig

@@ -0,0 +1,22 @@
+# EditorConfig file: https://editorconfig.org
+
+root = true
+
+[{*.{md,f90,py,c,yaml,yml,cmake},CMakeLists.txt}]
+charset = utf-8
+end_of_line = lf
+
+[{*.{f90,py,c,yaml,yml,cmake},CMakeLists.txt}]
+max_line_length = 100
+indent_style = space
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.{f90,c,yaml,yml,cmake},CMakeLists.txt}]
+indent_size = 2
+
+[*.py]
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false