Added prettier + eslint

frontend/.prettierignore

@@ -0,0 +1,4 @@
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

frontend/.prettierrc

@@ -0,0 +1,10 @@
+{
+    "useTabs": false,
+    "tabWidth": 4,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "printWidth": 180,
+    "semi": true,
+    "plugins": ["prettier-plugin-vue"],
+    "overrides": [{ "files": "*.vue", "options": { "parser": "vue", "vueExcludeBlocks": [] } }]
+}

frontend/eslint.config.mjs

@@ -0,0 +1,26 @@
+import js from '@eslint/js';
+import prettier from 'eslint-config-prettier';
+import pluginVue from 'eslint-plugin-vue';
+import ts from 'typescript-eslint';
+
+/** @type {import("eslint").Linter.Config} */
+export default [
+    js.configs.recommended,
+    ...ts.configs.recommended,
+    ...pluginVue.configs['flat/recommended'],
+    prettier,
+    {
+        ignores: ['node_modules', 'rollup.config.js', 'package-lock.json', 'pnpm-lock.yaml', 'rollup.config.js']
+    },
+    {
+        files: ['*.vue', '**/*.vue'],
+        languageOptions: {
+            parserOptions: {
+                parser: '@typescript-eslint/parser'
+            }
+        },
+        rules: {
+            'vue/multi-word-component-names': 'off'
+        }
+    }
+];