chore: move frontend files

frontend/.eslintrc.cjs

@@ -0,0 +1,60 @@
+/* eslint-env node */
+require('@rushstack/eslint-patch/modern-module-resolution')
+
+module.exports = {
+	'root': true,
+	'env': {
+		'browser': true,
+		'es2022': true,
+		'node': true,
+	},
+	'extends': [
+		'eslint:recommended',
+		'plugin:vue/vue3-recommended',
+		'@vue/eslint-config-typescript/recommended',
+	],
+	'rules': {
+		'quotes': ['error', 'single'],
+		'comma-dangle': ['error', 'always-multiline'],
+		'semi': ['error', 'never'],
+
+		'vue/v-on-event-hyphenation': ['warn', 'never', { 'autofix': true }],
+		'vue/multi-word-component-names': 'off',
+
+		// uncategorized rules:
+		'vue/component-api-style': ['error', ['script-setup']],
+		'vue/component-name-in-template-casing': ['warn', 'PascalCase'],
+		'vue/custom-event-name-casing': ['error', 'camelCase'],
+		'vue/define-macros-order': 'error',
+		'vue/match-component-file-name': ['error', {
+			'extensions': ['.js', '.jsx', '.ts', '.tsx', '.vue'],
+			'shouldMatchCase': true,
+		}],
+		'vue/no-boolean-default': ['warn', 'default-false'],
+		'vue/match-component-import-name': 'error',
+		'vue/prefer-separate-static-class': 'warn',
+
+		'vue/padding-line-between-blocks': 'error',
+		'vue/next-tick-style': ['error', 'promise'],
+		'vue/block-lang': [
+			'error',
+			{ 'script': { 'lang': 'ts' } },
+		],
+		'vue/no-required-prop-with-default': ['error', { 'autofix': true }],
+		'vue/no-duplicate-attr-inheritance': 'error',
+		'vue/no-empty-component-block': 'error',
+		'vue/html-indent': ['error', 'tab'],
+
+		// vue3
+		'vue/no-ref-object-destructure': 'error',
+	},
+	'parser': 'vue-eslint-parser',
+	'parserOptions': {
+		'parser': '@typescript-eslint/parser',
+		'ecmaVersion': 'latest',
+	},
+	'ignorePatterns': [
+		'*.test.*',
+		'cypress/*',
+	],
+}