chore: move frontend files

frontend/.vscode.example/extensions.json

@@ -0,0 +1,14 @@
+{
+  "recommendations": [
+    "codezombiech.gitignore",
+    "dbaeumer.vscode-eslint",
+    "editorconfig.editorconfig",
+    "vue.volar",
+    "vue.vscode-typescript-vue-plugin",
+    "lokalise.i18n-ally",
+    "mgmcdermott.vscode-language-babel",
+    "mikestead.dotenv",
+    "Syler.sass-indented",
+    "zixuanchen.vitest-explorer"
+  ]
+}

frontend/.vscode.example/settings.json

@@ -0,0 +1,34 @@
+{
+  "eslint.packageManager": "pnpm",
+  "editor.formatOnSave": false,
+  "editor.codeActionsOnSave": {
+    "source.fixAll": true
+  },
+  "eslint.format.enable": true,
+	"[javascript]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+	"[typescript]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
+
+  // https://eslint.vuejs.org/user-guide/#editor-integrations
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    "vue"
+  ],
+
+  "volar.completion.preferredTagNameCase": "pascal",
+
+  // disable vetur in case it is installed
+  "vetur.validation.template": false,
+
+  // i18n ally
+  "i18n-ally.localesPaths": [
+    "src/i18n/lang"
+  ],
+  "i18n-ally.sortKeys": true,
+  "i18n-ally.keepFulfilled": true,
+  "i18n-ally.keystyle": "nested"
+}