Add svelte ci

frontend/.prettierrc.cjs

@@ -0,0 +1,31 @@
+'use strict';
+
+module.exports = {
+	useTabs: true,
+	singleQuote: true,
+	trailingComma: 'none',
+	printWidth: 100,
+	plugins: ['prettier-plugin-svelte'],
+	overrides: [
+		{
+			files: ['.*rc'],
+			excludeFiles: ['.browserslistrc', '.npmrc', '.nvmrc'],
+			options: {
+				parser: 'json'
+			}
+		},
+		{
+			files: ['*.svelte'],
+			options: {
+				bracketSameLine: false
+			}
+		},
+		{
+			files: ['*.md', 'package.json', '**/package.json'],
+			options: {
+				useTabs: false,
+				tabWidth: 2
+			}
+		}
+	]
+};