Add editorconfig to fix issues

pvc-vue/.editorconfig

@@ -0,0 +1,16 @@
+# EditorConfig helps maintain consistent coding styles across different editors
+# https://editorconfig.org/
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# Markdown files allow trailing whitespace for line breaks
+[*.md]
+trim_trailing_whitespace = false