[Config] Editorconfig hinzufügen

.editorconfig

@@ -0,0 +1,18 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.tex]
+indent_style = space
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false