fix: template file helps consistent clean coding style

.editorconfig

@@ -0,0 +1,27 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+max_line_length = 80
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.html]
+indent_size = 2
+max_line_length = off
+
+[*.py]
+max_line_length = 79
+
+[*.yml]
+indent_size = 2
+max_line_length = off
+
+[package.json]
+indent_style = space
+indent_size = 2