Squashed 'frontend/' content from commit 63375d1

git-subtree-dir: frontend
git-subtree-split: 63375d198b2160a3a5fc4427efe888f6c37bd92f

.editorconfig

@@ -0,0 +1,16 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.ts]
+quote_type = single
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false