chore(lint): add editorconfig file

.editorconfig

@@ -0,0 +1,19 @@
+[*]
+charset                  = utf-8
+end_of_line              = lf
+insert_final_newline     = true
+trim_trailing_whitespace = true
+indent_style             = space
+indent_size              = 4
+
+[COMMIT_EDITMSG]
+indent_size              = 4
+indent_style             = space
+max_line_length          = 80
+
+[*.patch]
+trim_trailing_whitespace = false
+
+[*.{md,mdx}]
+trim_trailing_whitespace = false
+indent_size              = 2